Apartment Use

QH-835A
  • Product Type: Hi-quality Sound 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
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available

Description:


*Hi-quality sound wireless door chime   

*Music can be provided by clients

*Piano surface finishing
*FCC,CE,and RoHS compliant
*IP44 waterproof transmitter with nameplate
*More than 200M transmitting distance
*1 million sets of auto-learning code to avoid interference

*Energy saving, transmitter battery can be used for over 15 months, and receiver batteries for at least 6 months                                    

*White and Black color available


Specification:


FREQUENCY 433.92MHz
MODULATION TYPE ASK
RING VOLUME ≥80dB(WITHIN 0.5M)
RECEPTION SENSITIVITY ≥-85dBm
POWER SUPPLY(TRANSMITTER) 1×DC3V CR2032(INCLUDED)
POWER SUPPLY(RECEIVER) 3×1.5V AA(NOT INCLUDED)
TRANSMITTING POWER ≤10mW
POWER CONSUMPTION STANDBY CURRENT <350uA
POWER CONSUMPTION WORKING CURRENT <200mA
OPERATING RANGE 200M(IN THE OPEN AIR)
SOUND OPTIONS 16 POLYPHONIC MELODIES