105DB Password Wireless Home Security Emergency Keypad Alarm Siren, 105° Alarm PIR Motion Sensor Detectors Door Window Home Security System

Simple Wireless Setup: This home security alarm requires no wiring. Insert 3 AA batteries (not included) and mount the unit to any flat surface near doors, garages, or sheds. The wireless motion sensor alarm activates immediately without professional installation.
PIR Motion Detection Technology: The built-in passive infrared detector senses human movement within a 3 to 5 meter range and a 105 degree angle. When the motion sensor alarm detects an intruder, it triggers a loud 105dB siren to alert everyone nearby.
Password Keypad Control: Enter your correct numeric password on the integrated keypad to disarm the wireless home security system before entering the detection zone. The motion detector provides a 5 second delay after sensing movement, allowing you time to input the code and prevent false alarms.
Adjustable Detection Positioning: Install this wireless motion sensor alarm at a 10 to 30 degree angle against the wall for maximum detection distance. Keep the detection area clear of obstacles and avoid placing near AC vents, heaters, or coolers to maintain consistent alarm performance. Auto Reset and
Continuous Monitoring: After each 30 second alarm cycle, the system resets automatically and resumes monitoring. The infrared detector includes a 20 second warm-up period after power on, allowing you to leave the area before full activation begins for everyday household use