Wuloo Solar Wireless Driveway Alarm (1&1, Brown) – Long Range, Weatherproof Motion Sensor for Enhanced Security. Features: Reliable & Dependable: Tested in real-world settings to ensure a 1/3-mile long range (up to 1760 ft. / 536 m) Driveway through obstacles such as trees, buildings, and walls, making it highly dependable for all types of Driveway properties. Weatherproof Design: Durable construction ensures the motion sensor works seamlessly in rain, snow, and extreme weather conditions. Multi-Functional Receiver: The included receiver also functions Driveway as a clock Driveway and alarm, with completely Driveway adjustable chimes, sounds, and volumes for tailored alerts. Rechargeable & Expandable Sensor: Equipped with a solar panel and a rechargeable battery, Driveway the sensor can run for up to 24 months on a full charge. Expandable up to 8 sensors to cover a larger area. Easy Installation & Customization: Install the system within minutes! Adjust the Driveway sensitivity to avoid false Driveway alarms caused by leaves or small animals, and Driveway get instant alerts Driveway when a Driveway person, Driveway vehicle, or large animal enters Driveway the 30 ft detection Driveway zone. Specifications: Range: 1/3 mile (up to 1800 feet / 536 m) Expandable: Supports up to 8 sensors per receiver Charge Power: DC 5V 1A, with solar panel-equipped rechargeable Driveway batteries Working Time: Outdoor sensor: up to 24 months on a full charge; Indoor receiver: continuous power or 3 AA batteries Volume: 8 adjustable volume levels Chimes: 36 different chime options Package Contains: 1 x Solar Driveway Alarm Sensor 1 x Remote Control Note: Read the included instructions and quick start guide carefully before installation to ensure proper setup and optimal performance.