Motion Sensor Alarm,SanJie Wireless Infrared Indoor Security System for Home Office Warehouse PIR Motion Detector Alert 110dB,5 Alert Ringtone,4 Alert Modes,with Remote Control(1 Pack)

Product description The siren horn sound is 110db, can be heard from300m away. Sensitive motion sensor will detect any movement within 9-12meter and activate the sound light alarm, sound arise and strobe light on. The wireless motion sensor strobe light is suitable for the safety of residential house, villas, hotels, markets, boarding house and other places where requiring security alarm. Four alarm modes: (change the alarm mode through the alarm mode key or the transmitter key) ?24-hour alert mode: 24-hour bell + flashing light. ?24-hour silent mode: flashing light for 24 hours. ?Night alert mode: ring bell + flashing light at night. ?Night silent mode: flashing lights at night.