Driveway Alarm with 800 meters long range wireless outdoor weather resistant motion sensor and detector. DIY security alert to monitor and protect outdoor and indoor property. Long wireless transmission range. Both the motion detector and the plug-in receiver pick up alarm signals up to 800 meters away. Actual range will vary depending on the local terrain. It is a solution for long driveways or large properties. The system adopts advanced wireless transmission technology to avoid signal interference from other wireless devices. Long motion detection range. The weatherproof motion sensor will detect moving people or vehicles from 10 to 15 meters. Advanced motion detection chip and detection angle help reduce false alarms. It has two adjustable sensitivities for driveways, walking paths, yard, garage, gate, pool and other outdoor or indoor areas. Wide range of applications. The wireless weather resistant motion sensor can be used to monitor and protect your property such as driveway, front porch, gate, pool, garage and shed. Suitable for home, business and office. The motion sensor operates in temperatures from -30 to 150 degrees Fahrenheit. Easy to install. Power the motion detector with three AA 1.5V Alkaline batteries and plug the receiver into an outlet. The unit is pre-programmed. Place the sensors on walls, fence posts, trees or other surfaces. Expandable system. The unit includes one plug-in receiver and one motion detector. The system is expandable with up to four detectors and unlimited receivers. The receiver has five adjustable volume levels and 35 optional melodies. Assign different melodies to different detectors to identify where motion is detected.