This advanced weatherproof wireless alarm system is sensitive to both heat and motion. Wind, rain, scorching sun, or snow, our PIR motion detector will endure! Our DIY security system is easy to install and expandable to up to 16 sensors – you can even match the sensors to different chimes! Follow our quick start guide and start motion detection in minutes. The wire-free driveway and garage motion sensor alarm has a 500ft range and has undergone rigorous testing to verify its dependability (thick walls/trees may diminish range). These latest technology durable outdoor home alarm systems are encased in a robust, industrial-grade, PVC housing, with a rubber, weather-resistant seal, and sunshade. With no additional wifi necessary and real-time notifications, this smart accessory is the perfect addition to your house or flat to make you feel secure and protected.