MP3 wireless doorbells QH-843A - QH-843A

MP3 function wireless doorbell, 1.200 meters wireless distance., 2.High Quality CD sound., 3.Change the Melody by SD card. - details see: https://www.buildingsupplieshub.com/mp3-wireless-doorbells-qh-843a-10054114

Type: Doorbells	Place of Origin: Guangdong China (Mainland)	Brand Name: Quhwa or OEM brand	Model Number: QH-843A
Power Source: Battery	Doorbell Type: Wireless	Colour: Black or White

contact supplier for MP3 wireless doorbells QH-843A

MP3 wireless door chime QH-843A

MP3 player with touch buttons, music can be provided by customers;

*16 melodies for your selection;

*support SD card;

*200 meters;

*piano surface finishing;

*1 million sets of auto-learning code to avoid interference;

*transmitter with nameplate,IP44 waterproof;

*battery operated-(receiver): 3 x 1.5V AA, (sender): 1 x 3V CR2032.

Model No.	QH-843A
Frequency	433.92MHz
Modulation type	ASK
Ring volume	16 levels adjustable
Reception sensitivity	≥-85dBm
Power supply (transmitter)	DC3V(CR2032 battery)
Power supply (receiver)	DC4.5V (3×AA batteries)
Transmitting power	≤10mW
Power consumption	Standby current <700uA; Working current <150mA
Operating range	200M(the open air)
Sound options	16 polyphonic melodies