Door Chime Bistee Wireless Door Alarm Contact Sensor Door Open Bell 600 FT Range with 58 Chimes 5 Volume Levels LED Indicator for Business/Home/Office/Stores (2 Plug-in Receiver & 3 Door Sensor) 2 Receivers+3 Sensors industrial_Oct2022 Everyday Spots Prevention

Everyday Spots Prevention

Working diameter: 1/16-in (1

Full shield can effectively reduce the noise interference

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Can be easily bent without damaging the lens

Door Chime Bistee Wireless Door Alarm Contact Sensor Door Open Bell 600 FT Range with 58 Chimes 5 Volume Levels LED Indicator for Business/Home/Office/Stores (2 Plug-in Receiver & 3 Door Sensor) 2 Receivers+3 Sensors industrial_Oct2022 Everyday Spots PreventionDoor Chime Bistee Wireless Door Alarm Contact Sensor Door Open Bell 600 FT Range with 58 Chimes 5 Volume Levels LED Indicator for Business Home Office Stores (2 Plug in Receiver & 3 Door Sensor) Product Features ABS 58 MELODIES & 5 VOLUME: Doorbell features 58 chimes and 5 levels adjustable volume(0 dB to 110 dB) to meet your needs for different occasions. LED indicators of the doorbell chime are suitable for the elderly and hearing impaired.