Apartment Use

QH-849A
  • Product Type: Recordable Door Chime
  • Color: Black or White
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): 3×1.5V AA
  • Operating Range: 200M(in the open air)
  • Package: Blister
  • Place of origin: China
  • Payment Terms: T/T,L/C at sight
  • Minimum Order: 2000pcs
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available

Description:


*Recordable doorbell with touch buttons,different functions,easy operation,free choice                                                                 

*FCC,CE and RoHS compliant                                                          

*IP44 waterproof transmitter with nameplate                                       

*Remote distance can be 200M in the open air                                                 

*White color available                                                                                      
*1 million sets of auto-learning code to avoid interference
*Transmitter requires CR2032 battery(included),Receiver unit requires 3×1.5V AA batteries(not included),or use 5V,350mA adapter(not included)

*Function Instruction:The Recordable Doorbell is specially created for general home use,parties,holidays and special occasions.It comes complete with 1 Christmas Song,1 New Year Song,1 Spooky Sound Effect,1 common doorbell melody.Even users can record their own favorite songs,personalized messages,or a combination of both                                               

*Record 4 different personal messages,or Download 4 Hi-quality favorite songs from your smartphone by cable


Specification:


FREQUENCY 433.92MHz
MODULATION TYPE ASK
RING VOLUME HIGH VOLUME>90dB
RING VOLUME LOW VOLUME<70dB(0.5M)
RECEPTION SENSITIVITY ≥-80dbm
POWER SUPPLY(TRANSMITTER) DC3V(CR2032 BATTERY)
POWER SUPPLY(RECEIVER) DC4.5V(3×AA BATTERIES)/DC5V
TRANSMITTING POWER ≤10mW
QUIESCENT CURRENT(TRANSMITTER) <5uA
QUIESCENT CURRENT(RECEIVER) <350uA
WORKING CURRENT(TRANSMITTER) <10mA
WORKING CURRENT(RECEIVER) <150mA
OPERATING RANGE 200M(IN THE OPEN AIR)