Driveway Motion Sensor Alarm,650ft Wireless Home Alarm System,1 Motion Detector & 1 Plug-in Receiver,Waterproof & Battery Operated,58 Chimes Doorbell Sensors Kit,Entry Security Alerts for Home/Office

【650ft Wireless Motion Sensor Alarm】The plug-in receiver will emits a up to 110db sound when motion detector was triggered by someone get through your gate, driveway, garden etc… Large working area up to 650ft(no obstacles) to full cover your propoty and security.
【Upgraded Motion Detector, 3 Gears Adjustable Sensitivity】open the back cover of the motion detector, Install 4*AA batteries and turn main power switch on, cover it and connect the detector and rorateable base, install in any place you needs to use. combined with customer needs, we adjusted the design of monitoring range of infrared detector, there is a sensitivity switch inside of it, adjust it to have a different monitoring range( 10 or 20 or 30 feet ) according your needs
【Expandable Home Alarm Sytem】The wireless motion sensor alarm includes 1 motion sensor and 1 plug-in receiver, up to 58 sensors, doorbells and receivers allowed to be expanded to protect your propoty and security. Good as a doorbell alert for home security, also a doorbell detector for business.
【58 Chimes & 5 Levels Volume & Mute Mode】High quality Receiver with 5 volume levels (including mute) from 0 -110 db and visual alert via LED light on chime. each sensor and transmitter of your home security system can be programmed to have a different ringtone. mute mode only LED flashes without chime.
【Reliable After-sale Service】30 days return for free& 2-years warranty & reply in 7*24 hours. Any inconveience in use, please follow step 1: clear the matching code by long press the “down” button of receiver till for 5 seconds, step 2: press “volume”button for 5 seconds to enter pairing mode, step 3:wave your hand in front of sensor to trigger & send the singal to the receiver. BEFORE USE, please turn on the main power switch inside. If still doesn’t work, please contact us to replace it.