Wireless Doorbell Motion Sensor Electric Door Chime 36 Melodies Security Alarm with Transmitter and Receiver for Home Office Hotel Shop Store(2+1 EU)

About this item 【Easy and Fast】The infrared sensor detects motion and sends a signal to the receiver. Choose from 38 ringtones with a bright LED light. 【Wireless Plug-in Receiver】The portable plug-in receiver plugs into any standard outlet. The sensor uses 3 AAA batteries (not included). The detection delay between motion sensor alerts is configurable from 30 seconds. Simply place the sensor at the entrance of your driveway and the receiver inside your home. 【Wide Working Ranges】Working ranges of up to 230 feet (70 meters) between the receiver and transmitter allow you to place it at a good distance from the receiver to alert you of the arrival and departure of family members, unwanted solicitors or lawyers, or anyone visiting your home or business 【Widely Used】Ideal for front doors, window frames, driveways, walkways and anywhere around the home you want to be alerted. Also great for alerting business owners working in the back or out of sight, to customers entering their store. 【Wireless Installation】The sensor is wall mountable, no worry about the installation problem.