105 DEGREES DETECTION ANGLE: This home doorbell alarm provides 105 degrees wide detection angle, and 3-5 meters detection distance, never miss anything happened in the detection area.
PASSWORD MODE & LOUD ALARM: If no correct password is received, the alarm will ring and last 30 seconds.105 dB tones can be heard clearly and loudly, this ring will not only alert the neighbors of the intrusion, but scare away the burglar right out of your house
PIR INFRARED SENSOR: PIR motion sensor of this home alarm will activate if any movement is detected. Infrared remote sensor detection has high sensitivity and is not affected by light conditions and can work day and night.
EASY INSTALLATION: You can directly stick to the door by using adhesive paste. The door alarm has no wire needed, eliminating the trouble of line laying, no affect on decoration and appearance
WIDE APPLICATION: The home security alarm can be situated to cover the front door, back door, garage, shed, outbuildings etc.