[Wireless Driveway Alarm]The working range between motion sensor and receiver is up to 656 ft (200 m).Our motion sensor use 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 & 38 Chimes]The wireless Driveway alarm has 3 alarm (audio chime/flashing/chime and LED), 38 chimes and 4 volume levels (0dB ,20dB,40dB,80dB) to choose to suit your needs. [IP65 Waterproof& Dustproof]Driveway alarms wireless outside weatherproof. using IP65 waterproof material, deepened waterproof groove, raised waterproof cover.Professionally 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 Installation]This monitor system is fully-expandable, with plug-and-play sensors that can be set up within minutes. The portable wireless plug-in receiver plugs into any standard outlet,also can be mounted to walls, fence posts, , or any other surface, for full coverage of your property. [Wide Range Of Application]The wireless 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. Plug Type :EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. Voltage: 110-240V type:A:2 to 1 Colour:black Material:plastic Package Conten: 2 x sensors 1 x receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.