B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, US Plug, AC 90-260V Main-In Car The wide viewing angle makes

The wide viewing angle makes the thief no escape

Door hole diameter: 14-30MM

Playing time: 12 hours

encrypt and protect your data security

Intelligent voice-activated recording

B10 52 Chimes 110dB Doorbell Receiver Low Power Consumption Home Door Tools, US Plug, AC 90-260V Main-In Car The wide viewing angle makes1. 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