MP3 wireless doorbells QH-844A - QH-844A

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-844a-10054160
Type: DoorbellsPlace of Origin: Guangdong China (Mainland)Brand Name: Quhwa or OEM brandModel Number: QH-844A
Power Source: BatteryDoorbell Type: WirelessColour: Black or White 
MP3 wireless doorbells QH-844A
contact supplier for MP3 wireless doorbells QH-844A


MP3 wireless door chime QH-844A

*MP3 player, 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-844A
Frequency433.92MHz
Modulation typeASK
Ring volume16 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 range200M(the open air)
Sound options16 polyphonic melodies

Packaging Detail:Double blister card
Delivery Detail:Within 4 weeks for order within 1000 sets

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