B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, EU Plug, AC 90-260V (White)

B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, EU Plug, AC 90-260V (White)1. 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...