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 200‑300 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 Alarm Material: ABS Detection Range: Approx. 200-300m / 656-984ft Low Sensitivity: Approx. 5-8m / 16-26ft Medium Sensitivity: Approx. 8-12m / 26-39ft High Sensitivity: Approx. 13-16m / 43-52ft Operating Frequency: 433MHz FSK Detection Angle: 120° Battery Type: 3.7V 500mAh Lithium Battery (built in battery) Detector Solar Panel Type: Single Crystal Silicon 5.5V 100mA Music: 38 Ringtone Volume: Four levels (High, Medium, Low, Mute). Package List: 1 x Detector 1 x Receiver 1 x Mounting Base 1 x Card Pin 1 x Long Screw 4 x Short Screw 5 x Plastic Wall Anchors 1 x English Instruction Manual