1
Accessories List:
● 1 x Receiver ● 1 x Transmitter
● 1 x User Manual ● 1 x Double-sided adhesive
● 1 x 3 volts CR2032 battery for transmitter
Technical Specification:
● Frequency: 433.92MHz+100KHz
● Modulation Type: ASK
● Ring Volume:＞85dB(within 0.5m)
● Channel space: 1 million sets of auto-learning codes
● Receiver bandwidth: ±90KHz
● Reception Sensitivity:＞-105dBm
● Transmitter Power:＜10mW
● Power consumption(Receiver): standby:＜0.3W
● Power consumption(Transmitter): standby:＜5uA working:＜10mA
● Power Supply(Receiver): AC110-240V
● Power Supply(Transmitter): DC 3V (1x CR2032)
● Operating Range:＞150m (in the open air)
Names for Parts:
Instruction Manual
Auto-learning Code Wireless Door Chime
LED Indicator
Push Button
Nameplate Cover
Volume Button
Melody Selector
Sound-and-Flash
Switch Button
Auto-learning
Code button
Receiver Transmitter
Model No.: QH-858AK
VOLMODE
Important Note:
● If you do not plan to use the device for a long time, such as at a vacation, please remove the
battery from Transmitter, then put them in a safe place.
● Improperly using a battery may cause it to leak and damage nearby items, and can create the
risk of fire and personal injury. Batteries should not be left in an area where the children can
reach them as they may pose a chocking hazard.
● Recycle used batteries following environmental protection practices.
Transmitter Installation:
● Stick the Transmitter on the wall or the door with
double-sided adhesive tape.
Receiver Installation:
● Plug the Receiver into any socket of AC110~240V power.
2
Battery Installation (Transmitter):
● Open the Transmitter by pushing in the interface located at the bottom with a flat screw driver.
● Place the CR2032 battery (included).
CR2032 3V
Lithium
Battery
VOLMODE
Loading...