1. Seven major functions:
-Volume adjustment
-Light reminder: The LED light flashes once when the remote control button is pressed, and the LED light keeps flashing when the alarm is issued
-Anti-theft mode 1: Open the door immediately with sound and light alarm for 30 seconds, even if the door is closed in advance, the alarm will sound for 30 seconds
-Anti-theft mode 2: sound and light alarm immediately when the door is opened, and stop the alarm when the door is closed
-Didi mode: Anti-theft of valuables, open the door and make a beep alarm sound
-Welcome mode: Dingdong door bell, the door sensor emits "dingdong, dingdong sound" when the door is opened
-SOS mode: Manual alarm in case of danger, press the emergency button (SOS) to give an audible and visual alarm for 30 seconds
2. Volume: 130 decibels
3. Material: ABS
4. Remote control distance: greater than or equal to 25 meters (open area)
5. Standby time: about 1 year
6. Power supply mode: door sensor uses 2 x AAA batteries (not included)
7. Host size: 92 x 42 x 17 mm
