Apartment Use

QH-858S Blue + White
  • Product Type: Auto-learning Code Wireless Door Chimes
  • Power Supply: 2X1.5V AA Batteries
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): 2×1.5V AA
  • Package: Blister
  • 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:

 

*1 million sets of auto-learning codes to avoid interference                                                                          
*Black+red                                                      
*Music volume adjustable; flash, ring, or flash+ring for function option
*100M transmitting distance

 

Specification:

 

FREQUENCY

433.92MHz+100KHz

MODULATION TYPE

ASK

RING VOLUME

90dB(WITHIN 0.5M)

RECEPTION SENSITIVITY

≥-80dBm

POWER SUPPLY(TRANSMITTER)

1×DC3V CR2032(INCLUDED)

POWER SUPPLY(RECEIVER)

2×1.5V AA(NOT INCLUDED)

TRANSMITTING POWER

10mW

POWER CONSUMPTION

200uA

OPERATING RANGE

100M(IN THE OPEN AIR)

SOUND OPTIONS

36 POLYPHONIC MELODIES