Apartment Use

QH-843A
  • Product Type: MP3 Wireless Door Chimes
  • 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
  • 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:


*MP3 doorbell with touch buttons                                                  

*Piano black or white surface finishing                                             

*200M remote distance in the open air                                         

*IP44 waterproof transmitter with nameplate                                      

*Built-in 16 polyphonic melodies for selection
*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 with 2.0 USB plug(not included)                                                              

*MP3 downloadable                                                 

*Download music from computer and display the music(SD card is not included)


Specification:


FREQUENCY 433.92MHz
MODULATION TYPE ASK
RING VOLUME 6 LEVELS ADJUSTABLE
RECEPTION SENSITIVITY ≥-85dBm
POWER SUPPLY(TRANSMITTER) DC3V(CR2032 BATTERY)
POWER SUPPLY(RECEIVER) DC5V(3×AA BATTERIES)
TRANSMITTING POWER ≤10mW
POWER CONSUMPTION STANDBY CURRENT <700uA
POWER CONSUMPTION WORKING CURRENT <200mA
OPERATING RANGE 200M(IN THE OPEN AIR)
SOUND OPTIONS 16 POLYPHONIC MELODIES