Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Alarm Motion Sensor Doorbell Alarm Buzzer Store Entrance Alert Bell (500Ft Range, 32 Tunes, 5 Level Volume) 1 sensors 1 Receiver

32 UNIQUE CHIMES & 5 VOLUME LEVELS Motion sensor doorbell offers 32 unique ringtones, including alarm sounds, door bell ring, and long ringtones; 5 adjustable volumes (0-110dB) with silent mode satisfy your needs for different occasions. The LED light indicator flashes to provide a visual alert, an excellent security alert for the hearing impaired. Wide Range Wireless Door ChimeThe indoor motion sensor doorbell detects movement within a 16-26ft range x 110°, with a working range up to 500ft between the receiver and motion sensor, allowing you to place it a good distance from the receiver.

Simply position the sensor at the offices, stores door, front or back doors of factories, mailboxes, garages door and driveways, business entry, and the receiver can be placed inside your home. INDOOR MOTION SENSOR ALARMThe motion sensor detector can be mounted to the wall or by doorways. When sensor zones overlap, it transmits signals to the receiver within a range of 500 feet and emits a maximum 110dB alarm sound. This motion sensor alarm makes it easy to monitor demented elderly individuals getting up or leaving the room. It can also alert business owners working in the back or out of sight to customers entering the retail store.

EXPANDABLE & EASY INSTALLATIONBuild your own home security alert system by pairing more receivers or motion sensors. Expandable up to 20 sensors and unlimited receivers for complete coverage of your property. Simply plug in the receiver and mount the detector anywhere you want with screwseasy to use. WHY USIncludes 1 plug-in receiver unit and 1 motion sensor requiring 2x AAA batteries (included). All our products are manufactured under strict testing, with safety and practicability as the core