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SECRUI

SECRUI Door Chime, Door Open Sensor Chime for Business/Home when Entering, Adjustable Volume, Easy installation, 400ft Range, 52 Chimes, M508+D7 | 1-Sensor + 1-Receiver with 500FT Wireless Range|58 Chimes|5-Volume Level,Entry Alert for Kids/Toddler/Dementia/Elderly Safety

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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Sep 21
Order within 12 hours and 14 minutes
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Size: 1 Receiver+1 Sensor


Color: BLACK


Features

  • Easy to install:Just plug the doorbell receiver into any standard outlet and tear the double- sided adhesive tape which on the back of door sensor( or screw mounted) and stick them to the door or window is fine,please take the insulating paper away before using the sensor
  • 24/7 Lifeguard for Your Family: This child/ home door sensor alerts when burglar opens door and helps deter break-ins(entry alert chime activates when magnetic sensor separates)
  • Adjustable Volume Control & 52 Chimes Options:5 levels of adjustable volume from 0-110 dB.Offer 52 elegant music from the traditional"Ding Dong" to various well know chimes.Memory function: Keep the previous setted tune after re-plugging it
  • Wide Working Range:This wireless door open chime for home is up to 400 ft in open area, magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated and the receiver will alerts immediately whenever the door or window is opened
  • Mini Contact Sensor: Magnetic door sensor (Size:3.0x1.0x0.60ininch),magnetic strip (Size:1.7*0.6*0.4 inch).They are small size and can be installed or placed at any indoor position to provide you with a door entry chime/alert system.

Description

Upgrade your home with our product! We are a professional manufacturer specializing in home security for more than 10 years. Own professional manufacturing facilities, R&D engineers, excellent sales team, experienced production staff, and efficient after-sales service. From the perspective of the use value that users care about, we aim to provide Security products together with high quality, versatility and affordability, and have been working on improving the design and quality of our products based on our buyers' feedback. High quality is always our pursuit. Our aim is creating good products with heart, serving customers with more patience. SECRUI is all about making your home or business a safer and more secure environment where you and your loved ones can feel protected at all times. Easy to use - Already paired before leaving the factory, so no worry about to operate again, you just need to pull out the white tab inside the sensor first. 500 feet Wireless Range (in open area) & Can be expandable SECRUI Door Chime uses advanced wireless receiving technology, no wired troubles. Operating range up to 500ft which is suitable for shops, apartments, small and medium-sized houses, and large villas. The receiver and sensor of the door chime can add multiple accessories. What is more, different tunes can set to different sensors. Let SECRUI participate in your life! The receiver features 52 tunes including classic ding-dong and SHORT ring tones which is ideal for use as door chime for business when entering. It will remember and auto play the previous tune you set even after a power outage, thanks to the Memory Function. The door chime receiver features 5 adjustable volume levels of 0-110 dB for you to choose. Humanized Mute mode-0dB won't disturb a sleeping baby. Just press the volume key to set the volume level you want. There will be colorful light shining on the door chime receiver when the door is opened, which is good for hard of hearing persons, as well as makes sure that you always get an alert, especially on Mute Mode. The wireless door chime sensor is powered by battery (23A 12V alkaline battery), the updated battery type is more durable and easier to replace. The battery power can be used up to 10,000 times. Attention：After the battery is used up, please replace the battery of the same model in time The red indicator of the door sensor will flash 3 times at intervals and the plug-in receiver will ring by itself when the battery is low. If there is no red indicator lit up on the sensor when the sensor is separated, it may need to be replaced the battery. SECRUI door contact sensor can adapt to many different types of door/window frames. Please ensure that the horizontal installation gap between them is less than or equal to 0.4 inches. Please do not install the door sensor on the iron door. Easy to Install Comes with double-sided tapes and screws. In order not to damage the sensor, we recommend using double-sided tape for installation. This also avoids making holes in the door and destroying the beauty of your door. Specifications The receiver of the door chime is a plug-in device, plug and play is more convenient. Working voltage is 100~240 volts AC, can be plugged into any American standard 2-hole socket. Operating current less than 11mA, standby current less than 3mA, no heating and little power consumption.

Color: BLACK


Brand: SECRUI


Power Source: Battery Powered


Product Dimensions: 4"L x 3"W x 2"H


Battery Description: 23A 12V


Power Source: Battery Powered


Battery Description: 23A 12V


Number of Batteries: 1 AAA batteries required. (included)


Voltage: 120 volts_of_alternating_current


Control Method: App, Touch


Audible Noise: 120 db


Mounting Type: Door Mount


Maximum Range: 400 feet


Sensor Technology: Contact Sensor


Color: BLACK


Item Dimensions L x W x H: 4"L x 3"W x 2"H


Shape: Ellipse


Brand: SECRUI


Size: 1 Receiver+1 Sensor


Manufacturer: secrui


Number of Items: 1


Built-In Media: 1 × Sensor(battery included), 1 × Plug-in receiver, 2× Adhesive tape, 2 × Screw, 2 × Anchor, 1 × User manual


Model Number: M508+D7


Mfr Part Number: M508+D7


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • My Workshop Buddy That Tells Me When the World Invades
Size: 1 Receiver+1 Sensor Color: White
I installed this in my garage workshop because I kept missing it every time someone came through the house door. Now I know the exact moment my concentration is about to be wrecked, which is somehow comforting. Setup genuinely took about three minutes. Plug the receiver into any standard outlet, peel the adhesive backing off the magnetic sensor, stick it to your door frame, and you are done. No wiring, no tools, no drama. The sensor just needs to stay within about 0.4 inches of the magnetic strip when closed, which is easy to get right. The 52 chimes are a surprisingly fun feature. You can go classic ding-dong or cycle through holiday tunes, classical snippets, and some options I cannot quite categorize. The volume goes from a polite whisper all the way up to 110 dB, which is loud enough to hear clearly across a large space. The mute mode with LED-only indicator is a thoughtful touch for nap time or quiet hours. Range tested well beyond what most home layouts would require. The unit remembers your chosen chime and volume after unplugging, which saves you from re-setting it every power blip. Battery life on the sensor will depend on usage but is rated for a high number of trigger cycles. An excellent value for a simple, reliable alert system. ... show more
Reviewed in the United States on May 8, 2026 by Amazon Customer
    • Easy and effective
Size: 1 Receiver+1 Sensor Color: White
Love that it has diffferent volume settings. Very easy to choos your sound and to install.
Reviewed in the United States on July 11, 2026 by Marla D
    • Simple set up - works great!
Size: 1 Receiver+3 Sensor Color: White
Absolutely one of the best products. Simple to set up. Works perfectly in our restaurant business. Bought 3 door sensors for our dining room patio and porch entrances and plugged the chime into an outlet in the kitchen. Staff LOVES it!
Reviewed in the United States on August 2, 2026 by Cindy Shore
    • Works properly
Size: 1 Receiver+2 Sensor Color: White
It works well. Installation was simple. Both of the sensors were paired with the unit right out of the box. It has a bunch of sounds or chimes - but none are just a simple "ping" or "ding" - it has literal entire songs, but no real selection of simple dings or dongs or pings. Even the simple ones play twice by default, which is ultra annoying to me. That said - it is what it is and it works from the basement to the second floor, even the back door works. ... show more
Reviewed in the United States on July 9, 2026 by Davebrah
    • Great alternative to a door alarm to help with eloping
Size: 1 Receiver+1 Sensor Color: White
A great door chime. I utilize this door chime to alert when my son opens his bedroom door. This is much less jarring than a door alarm and helps me rest easier knowing he won’t slip out of his room and elope without me knowing. There are a lot of chimes/songs to choose from and the adjustable volume is a great feature as well. Setup was easy and straightforward and from box to install took me less than five min. Highly recommend if you are looking for a door alarm or doorbell. ... show more
Reviewed in the United States on July 29, 2026 by Shelby B
    • A Simple Solution That Gives Me Peace of Mind
Size: 2 Receiver+3 Sensor Color: BLACK
I ordered this for my little brother’s apartment because his cat has a habit of trying to make a run for the door. I wanted something that would remind him the instant the door opened, and this has worked exactly as I hoped. It arrived quickly, was packaged well, and installation only took a few minutes. The sensor paired easily, and the chime is loud enough that there’s no missing it when someone opens the door. The best part is how simple it is. Every time the door opens, there’s an immediate reminder to make sure the cat isn’t trying to slip outside. Sometimes it’s the simplest products that solve the biggest headaches. For anyone with an indoor cat—or anyone who just wants a little extra awareness when a door opens—this has been a worthwhile purchase. It’s inexpensive, easy to install, and has given both my brother and me a little extra peace of mind. #FoundItOnAmazon #HomeSecurity #Cats #ApartmentLiving #LuxeLife ... show more
Reviewed in the United States on July 10, 2026 by VanillaPepper
    • Great product!!
Size: 1 Receiver+1 Sensor Color: White
This product does exactly what it is intended to do.... it's nice and loud and does it's job. I love how many tunes you have to choose from. I actually bought another one in black for my front door.. highly recommend, great price for it's function!
Reviewed in the United States on July 2, 2026 by Cindy
    • Inadequate product description, and poorly written pairing instructions
Size: 1 Receiver+2 Sensor Color: White
You get what you pay for, so I hope this helps in your decision-making process. Note that the doorbell works by playing the music/tone you set after the door is opened ONLY, and it will stop when the ringtone ends, after 30 seconds. It will NOT prompt you to close the door, but only indicates that the kids have opened it, but not closed it. So, you have no idea that the door is still open. From directly from the vendor, a yesterday include the following additional details that they sent to me that are not in the item/ product description: "Our doorbell works by playing the music you set after the door is opened, and it will stop when the ringtone ends. It will not prompt to close the door, but only indicate that it has been opened." Additionally, the instructions included in the box were extremely hard to interpret to get a different ringtone on my second sensor. For those of you who are struggling with interpreting the poorly written instructions, here's a better step-by-step from the vendor: " Here is how to set diferent tone on the second sensor: 1. Clear All Settings---First unplug the receiver, then long press and hold "VOLUME" buttons and plug in the outlet, you will start to hear continuous beeping, and the LED light will flash ten times. Keep on pressing and holding the "VOLUME button until there is no more sound and light, the receiver and transmitters are now all reset. 2. Short press the music button to select a music you like. 3. Long press the new receiver "VOLUME" button for about 5-7 seconds, you will hear the receiver "ding" once and the indicator will light on. 4. Separate sensor and magnetic strip once, you will hear and see receiver “ding” twice with led light flashes 1s. 5. Separate sensor and magnetic strip once again, you will hear and see receiver "ding" once with led light flashes 1s. 6. Short press "VOLUME", now your operation is successful. 7.Then on this receiver to choose a different music for the other one sensor and following the above pairing instructions(starting from step 2，note：choose a different music) to make them paired is fine. Here is pair video: https://youtube.com/shorts/-XYrr0j6kDg?feature=share" Good luck, and spend the extra money to get a product that indicates when your doors remain open. ... show more
Reviewed in the United States on October 31, 2025 by Diana Campbell

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