Door Open Alert BITIWEND Wireless Door Sensor Chime for Office/Home/Store,Door Open Chime Window Alarm Operate Range 600ft With 52 Chimes 4 Volume Level, 2 Door Sensors+1 Plug-in Receiver,Black

About this product

*Alarm Contact Sensor: The operating wireless range is 600ft in OPEN area with LED indicator,ideal door sensor chime for office/home/store.

*Loud Sound: 52 different ringtones with 4 sound level from 25~110dB to adjust, perfect for your daily use(INDOOR use only).

*Easy Intallation: Pls install it AFTER pairing.Plug the receiver into socket,tear off the tape behind door sensor then paste on the door.

*Expandable: Each door sensor or receiver can be expandable,you can use them with additional BITIWEND door sensors or doorbells.

*1 year quality service: Any problems about door open chime,pls contact with our customer service team to get a full refund or replacement.