Feature 1 WATERPROOF HOUSING: The outdoor motion sensor alarm uses a robust ABS housing, IP65 water and dust resistant 2 MOTION SENSING: The sensing angle is 120, which can widely catch any movement in the range of 38 meters and activate the alarm 3 SIREN DETERRENT DEVICE: The siren horn sounds about 129db, the bright flash has 12 LED lights, and the solar alarm with sound can be heard and seen at 200 meters in the open area 4 SOLAR ENERGY AND USB CHARGING: The motion sensor alarm supports two charging methods, solar energy and USB, with solar energy as the main power supply, USB charging as a backup power supply for long rainy days to ensure uninterrupted work 5 EASY INSTALLATION AND WIDE USE: Motion detection alarm is suitable for farms, camping, homes, gardens, shops, courtyards and other places that need motion sensor alarmsItem Type: Infrared Sensor DoorbellMaterial: ABS and monocrystalline siliconSensor Battery: 1 x 3.7V Polymer Battery, Battery Capacity: 500mAhSolar Panel Specifications: Monocrystalline silicon 5.5V 100mAWorking Distance: 200-300meterLow Sensitivity: 5-8meterMedium Sensitivity: 8-12meterHigh Sensitivity: 13-16meterInduction Angle: 120 Package List2 x Sensor1 x Receiver2 x Long Screw8 x Short Screw10 x Expansion Tube2 x Through Needle2 x Universal Head1 x User ManualNoteHang a burglar alarm in a sunny place.