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KCMYTONER Motion Sensor Doorbell for Business Store Entry,Door Chime When Door Opens, FullHouse Door Sensor Wireless,Wireless PIR Motion Sensor Detector Security Alarm Chime,61wk0UBwx8L._AC_UF894,,Amazon.com: Door Chime,Wireless Business Door Motion Sensor

• With the doorbell function, you will never miss an important visitor
• Adopts a highly sensitive receiver to notify you from a distance
• Easy and easy to install, so you can rest assured even in a wide home
• Press the transmitter on the front door chime to make a call sound and instantly notice it in an emergency
• Wireless chime that can be easily installed without wiring as a call chime in warehouses etc

Never miss a chime sound anywhere in your house.
Indoor door chime. Useful for homes, baths, nursing sites, restaurants, and offices, warehouses, and more.
This doorbell call set adopts a highly sensitive receiver that can be used in building buildings, and can be used with a stable reception on walls, wooden doors, steel doors, etc.
Specifications:
Material: ABS environmental protection
Detector Size: 2.7 x 2.4 x 1.4 inches (68 x 60 x 36 mm)
Receiver Size: 4.3 x 2.8 x 2.1 inches (110 x 70 x 53 mm)
Number of voices: 35 (Welcome Hello, Dingdon, Alarm, etc.)
Color: White
Audio playback time: 200S
Reception distance 200 meters (open area)
Detection Range: 26.2 - 39.2 ft (8
Detection angle: 0-110 degree
Alarm Volume: Up to 90 dB

Package includes:
1 x Call bell set.