Feature:1. IP65 PROTECTION: The outdoor sensor alarm adopts sturdy ABS shell, IP65 waterproof and dustproof, which can be used outdoors with confidence.2. LONG RANGE: The sensing angle is 120, which can widely catch any movement within the range of 5 to 16 meters and activate the alarm.3. SOUND LIGHT ALARM: The alarm sound is about 129db, and the bright flashing light has 12 LEDs. You can hear and see the alarm at a distance of 200 meters in an open area.4. 2 CHARGING METHOD: The doorbell uses solar energy as main power source and USB charging as backup power source for prolonged rainy days, ensuring its uninterrupted operation.5. WIDELY USED: The motion detection alarm is suitable for farms, camping, homes, gardens, shops, courtyards, and other places.Specification:Item Type: Driveway AlarmMaterial: ABS, Monocrystalline SiliconSensor Battery: 3.7V Polymer Battery x 1, Battery Capacity: 500mAh (Built in)Solar Panel Specification: Monocrystalline Silicon 5.5V 100mAWorking Distance: 200-300 MeterLow Sensitivity: 5-8 MeterMedium Sensitivity: 8-12 MeterHigh Sensitivity: 13-16 MeterInduction Angle: 120.Package List:1 x Sensor2 x Receiver1 x Long Screw4 x Short Screw5 x Anchor1 x Pin1 x Universal Bracket1 x User ManualNote:Please install the alarm in a sunny area.