Feature:1. Easy and Wireless Installation: Features a quick, fuss free, wireless installation process. The infrared sensor detects movement and sends a signal to the receiver for an immediate alert with 38 bright LED ringtones to choose from.2. Advanced Motion Sensor: Solar driveway alarm boasts an advanced motion sensor that detects movement in a range from 5 to 16m ahead. Motion detection chips and improved detection angles reduce false alarms caused by dead leaves, small animals, sunlight, wind, temperature changes, etc. With 3 adjustable sensitivity levels.3. Long Working Range: With a signal range of 200300 meters, you can place the driveway motion sensor detector further away from the receiver. This would alert you about the arrival or departure of family members, unwelcome guests, solicitors, or anyone visiting you.4. Solar Charged and Battery Operated Detector: The detector is powered by a battery, which is recharged by a solar panel, eliminating the need for battery replacement. Additionally, the detector can also be powered by a DC5V power adapter.5. Versatile Applications: Suitable for various locations including driveways, front doors, windows, sidewalks, yards, garages, gates, swimming pools, and indoors or outdoors anywhere where you want alerts. It is also suitable for business.Specification:Item Type: Solar Driveway AlarmMaterial: ABSDetection Range: Approx. 200-300m / 656-984ftLow Sensitivity: Approx. 5-8m / 16-26ftMedium Sensitivity: Approx. 8-12m / 26-39ftHigh Sensitivity: Approx. 13-16m / 43-52ftOperating Frequency: 433MHz FSKDetection Angle: 120Battery Type: 3.7V 500mAh Lithium Battery (built in battery)Detector Solar Panel Type: Single Crystal Silicon 5.5V 100mAMusic: 38 RingtoneVolume: Four levels (High, Medium, Low, Mute).Package List:1 x Detector1 x Receiver1 x Mounting Base1 x Card Pin1 x Long Screw4 x Short Screw5 x Plastic Wall Anchors1 x English Instruction Manual