Door Window Alarms When Opened, 10 Pack, Volume Control

When intruder invades home, the door alarm will sound 125dB to alert you and scare intruder away. When kids want to sneak out to play, the door alarm will sound 100dB to alert you. The door alarm will sound 100dB to alert you when a demented/concerned elderly person leaves house. The door alarm sounds 125dB to alert you when a child opens the door by the pool. The alarm will sound 125dB to alert you when your pet leaves the house. The volume of the alarm is adjustable: 125dB, 100dB. 3 Modes:125dB Alarm(loud enough), 100dB Alarm, 100dB Chime (dingdong 2 times).Meet your needs for different occasions. No wires or screws needed.Tear off the 3M double-sided tape on the back of the wireless alarm and install it on the door or window, etc. Turn on the switch, set the mode and ready to use. It is recommended that the alarm be installed indoors. The alarm is powered by 3 LR44 button batteries supplied. Normal life of the alarm is up to 12 months. When the alarm is in low battery, the indicator light will flash to alert you. The door and window alarms can be turned on in Mode 1 (125dB alarm) or Mode 2 (100dB alarm). The door and window alarms can be turned on in mode 1 (125dB alarm). The door and window alarms can be turned on in mode 1 (125 dB alarm). The door alarm sensor can be set in mode 3 (100dB chime):dingdong 2 times. Are the alarms easy to install? YES. Just remove the 3M double-sided tape and ensure the gap between the alarm does not exceed 0.4in.The arrows of the alarm are aligned with each other. How long do the batteries typically last? The batteries are already built into the alarm. 1 Alarm Pack for 3*LR44 batteries and will last 12 months normally. Can the volume of the alarm be adjusted? YES. The alarm has 3 modes, Mode 1: 125dB alarm, Mode 2: 100dB alarm, Mode 3: 100dB “ding dong” 2 times. The alarm maximum sound loud enough to deter intruders. Are the alarms suitable for use on sliding doors or windows? YES. Alarms are generally available for sliding doors/windows. For best performance, make sure the alarm is mounted in a position that detects movement. Does alarm false alarm easily? NO. Alarm sounds immediately upon separation and lasts for 30s before stopping unless the door/window is closed. Door & Window Alarm Instant and Delayed Alert Instant and Delayed Alert Door Alarm with Remote SanJie Door Chime Cont. Alarm & Door Chime WiFi Door Sensor Chime Sanjie, since its establishment in 2015, is determined to build a brand enterprise of security products. Until now , we've offered a full range of home/business products and helped from all around the world, gaining the trust of our customers in a professional way. Technology Enhances Life We will strive to further development to change the lives of our customers and makers the world better.