Apartment Use

QH-858A
  • Product Type: Auto-learning Code Wireless Door Chimes
  • Color: White+Black,White+Cyan,White+Dark Grey,White+Gray,White+Red, Black+Red
  • Power Supply(Transmitter): 1×DC3V CR2032
  • Power Supply(Receiver): 2×1.5V AA
  • Operating Range: 100M(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:


*1 million sets of auto-learning codes to avoid interference                                                                          
*White+black,white+cyan,white+dark grey,white+gray,white+red, black+orange,black+blue,black+red                                                      
*Music volume adjustable
*100M transmitting distance


Specification:


FREQUENCY 433.92MHz
MODULATION TYPE ASK
RING VOLUME >80dB(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
QUIESCENT CURRENT <200uA
OPERATING RANGE 100M(IN THE OPEN AIR)
SOUND OPTIONS 36 POLYPHONIC MELODIES