Apartment Use

QH-847A
  • Product Type: Bluetooth Speaker Door Chime
  • Color: White or Black
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): DC3.7V/DC5V
  • Operating Range: 200M(in the open air)
  • Package: Blister
  • Place of origin: China
  • Price Terms: FOB,CIF
  • Payment Terms: T/T,L/C at sight
  • Minimum Order: 2000pcs
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available

Description:


*Including one 3.7V lithium battery,USB chargable                      

*Bluetooth and chimes selection switch                                 

*Chimes premium:If visitor push the transmitter when the receiver is being used under bluethooth status,the receiver will response to the transmitter by chimes.After 2 seconds,the receiver will come back to bluetooth working status                                                     

*16 melodies/chimes for selection                                      

*High-quality sound with volume up to 80dB                            

*200M transmitting distance in the open air                                                                                          

*Black color available                                                                                      
*1 million sets of auto-learning codes to avoid interference                 

*FCC,CE,and RoHS compliant                                              

*Low voltage indicating sound D D and flashing green LED to remind a battery charge is required                                                   

*Music displayed via bluetooth can be volume-adjusted by mobile phone  
*Function Instruction:The Bluetooth Doorbell will increase the convenience of displaying music from any MP3 displayer with bluetooth.You can enjoy a better sound quality with the doorbell.It also comes complete with 16 built-in melodies.You can select one of them as the chime

*Charge the doorbell by USB cable                                           

*Connect the mobile phone by bluetooth and display the music from the mobile phone


Specification:


FREQUENCY 433.92MHz
MODULATION TYPE ASK
RING VOLUME >80dB
RECEPTION SENSITIVITY ≥-80dbm
POWER SUPPLY(TRANSMITTER) DC3V(CR2032 BATTERY)
POWER SUPPLY(RECEIVER) DC3.7V/DC5V
TRANSMITTING POWER ≤10mW
QUIESCENT CURRENT(TRANSMITTER) <5uA
QUIESCENT CURRENT(RECEIVER) <350uA
WORKING CURRENT(TRANSMITTER) <15mA
WORKING CURRENT(RECEIVER) <200mA
OPERATING RANGE 200M(IN THE OPEN AIR)