Features: Wirele Driveway AlarmThe working range between motion sensor and receiver is up to 656 ft (200 m).Our motion sensor use imported infrared probes, The 360-degree direction can be rotated, the 120-degree sensing area, and the sensing distance is as high as 23 feet. After multiple quality inspections, it will only bring you a more convenient and safe life. 3 Alert Options & 38 ChimesThe wirele Driveway alarm has 3 alarm options (audio chime/flashing/chime and LED), 38 chimes and 4 volume levels (0dB ,20dB,40dB,80dB) for you to choose to suit your needs. IP65 Waterproof& DustproofDriveway alarms wirele outside weatherproof. using IP65 waterproof material, deepened waterproof groove, raised waterproof cover.Profeionally tested to withstand IP65 water resistance and -4F-140F operating temperature. Suitable for various harsh weather conditions.Also suitable for homes, apartments, schools, villas, offices, factories, warehouses, hotels, factories, hospitals and more. Easy and Fast InstallationThis monitor system is fully-expandable, with plug-and-play sensors that can be set up within minutes. The portable wirele plug-in receiver plugs into any standard outlet,also can be mounted to walls, fence posts, trees, or any other surface, for full coverage of your property. Wide Range Of ApplicationThe wirele weather resistant motion sensor can be used to monitor&protect your outdoor/indoor property.This motion detection alarm system can be used as a doorbell, garage alarm, intruder warning, burglar warning, wildlife warning, child elderly care alarm, etc.Can be installed on front doors, window frames, driveways, etc., or anywhere you want.