Wireless Remote Controlled Mini Alarm with IR Infrared Motion Sensor

Features:  -Using advanced infrared detection technology, reliable performance.  -Infrared sensor automatically detects human body signals and issues alarm.  -Super loud 105dB alarm.  -Infrared sensor detection range: 110°, 0-5M.  -Infrared remote control, originally equipped with two remote controls.  -The induction doorbell is easy to install (1 set on the desktop or hang on the wall) and can be placed in doorways, windows, driveways.  - Use 4*1.5V AA batteries (not included).  Specifications:  Detection range: distance 4-5 meters, angle 100 degrees.  Working voltage: DC 6V (4 AA batteries can be installed inside).  Remote control: Originally equipped with two infrared remote controls.  Remote control distance: 4-5 meters.  Alarm sound level: 105dB (decibel) measured at 30cm.  Installation requirements:  -Because the remote control infrared warning device has the highest infrared detection sensitivity when the human body moves laterally relative to the lens, but the longitudinal