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🔔【Door Window Open Alarm】 BIETEE door chime can be used as an alarm to remind businesses front door when customers come in. Alerting when someone opens the door or window, perfect for family which has children or elders.
🕵️【LED Screen & 58 Ringtones Choices】 Door sensor offers 58 pop chimes and 5 adjustable levels(0-110 dB), set different chimes for different doors to know which door you have a visitor come in through the LED screen number, also has a night light, suitable for the elderly and hearing impaired.
🌐【Up to 600 FT Working Rang】 Wireless door sensor chime with working rang up to 600ft in open area to cover your house or store, ensures you will never miss a visitor. Note: The battery level will affect the signal receiving range. It is recommended to change it once every 12 months.
🔎【58 Sensor Expandable】 The receiver can be paired up to 58 chime sensors/the door sensor can be paired up to 58 receivers. Can be used to install in your dining room, bedroom, living room, garage, yard, or your store and office.
🔧【Easy to Install to Use】 Just plug the doorbell receiver into any standard outlet and tear the double-sided adhesive tape on the back of door sensor(or screw mounted) to stick to the door or window, please take the insulating paper away before using the sensor.