This wireless driveway alarm system features an infrared motion sensor to detect movement in surrounding areas, triggering an alert on the linked receiver. It offers a long working distance of up to 118 meters (387 feet) with an effective detection range of 5-8 meters and strong signal penetration. Choose from three alert settings: audio chimes, LED flashing chimes, or both, with four distinct audio chime options available. Built with an IP44 waterproof rating, it is designed for reliable outdoor use. Ideal as a driveway alarm, doorbell, or general home security alarm. Installation is simple with wall mounting holes for easy placement on walls, trees, posts, or fences. Enjoy plug-and-play setup that completes within minutes. The system is expandable, allowing multiple transmitters and receivers to be used together. Specifications: - Color: White - Material: ABS Plastic - Detection Range: 5-8 meters - Working Range: 118 meters - Alert Options: Audio chimes, LED flashing chimes, or both - Ringing Volume: Up to 120dB - Transmitter Power: 9V 6F22 battery (not included) - Receiver Power: 6V (requires 3 x 1.5V C/R14 batteries, not included) - Transmitter Dimensions: 11 x 6.5 x 4.5 cm / 4.3 x 2.5 x 1.7 inches - Receiver Dimensions: 12 x 9 x 3 cm / 4.7 x 3.5 x 1.1 inches - Waterproof Rating: IP44