B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, EU Plug, AC 90-260V (White) Filter-Baby Monitor The receiver has an ultrasonic

The receiver has an ultrasonic mosquito repellent function

and real-time alarm is pushed to the mobile phone

Signal-to-noise ratio: 80 decibels

connection range up to 30 meters

Weight 180g

B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, EU Plug, AC 90-260V (White) Filter-Baby Monitor The receiver has an ultrasonic1. Fashion appearance, light touch design 2. Easy to install 3. Ultra low power consumption, power saving, long service life 4. 52 polyphonic ringtones 5. Working voltage: AC 90 260V 6. Working current: 20mA 7. Output power: 3. 5W 8. Volume: 5 levels 9. Power consumption: 10mW 10. Sensitivity: 110dbm 11. Working frequency: 433MHz Specification: Package Weight One Package Weight 0. 21kgs 0. 46lb One Package Size 11cm * 11cm * 4cm 4. 33inch * 4. 33inch