Battery Powered Wireless Doorbell

L-528D Wireless Doorbell with Battery 

Doorbell basic parameters:

Transmitter Size:98*40*20 mm

Receiver Size: 130*82*30 mm

Transmitter Working Voltage:≤ 12V

Transmitter Power Consumption :≤ 10mw

Receiver Working Voltage: 3*AAA Battery

Sound Volume Range: 25-75dB

Working Frequency: 315MHz/433MHz

Material :ABS 

Color: White/Black/Customized

Doorbell Features:

1. Transmitter powered by DC12V 23A Battery ;                                                                           

2.Receiver: 3*AAA Battery

3.Learning - Code                                                            

4.36 melodies for Chosen ;                                                                             

5.4 Grade volume adjusting ;                                        

6.IP44 water proof Transmitter ;  

7.Operating range: 300FT(150M) in open air.

8.LED Indicator

Learning Code Function Instruction:

Doorbell is well-paired & ready for using .To replace or add a new transmitter / receiver,please follow steps below:

A. Erasing the program memory :

1.Put 3*AAA battery into the Receiver

2.Press and hold “Mode “ button on receiver about 10 seconds till the doorbell ring"Dingdong). Then ,

the program have been successfully erased.(Transmitter can not control the receiver)

B.How to program/add doorbell :

1.Put 3*AAA battery into the Receiver

2.Press and hold “ Mode “ button on receiver ,Press the transmitter button twice when hear the "Dingdong" sound.

If the receiver ring,.It is succesfully.Programmed..(Transmitter can control the receiver)

Tips:

If the doorbell does not ring,please repeat above steps.

For pairing multiple transmitters/receivers,please repeat the above steps.

Installation :

1.Open the package,take out the transmitter

2.Open the transmitter by flat Screwdriver,take out the battery insulation film

3.Use the double-side adhesive stick to the wall (flat surface recommended ) .NOTE:Clear the surface before installing.

4.Or dig a small hole on the wall & fix the back cover of transmitter with screws

5.Plug the Receiver into a regular socket within the operating range.

Caution:

1.Please do not open PCB or repair it without professional guide in order to avoid break down of components

2.Please make sure it is not exposed to the Sun and Rain for a long time or closed to the metallic object

3.Operating range may be affected by environmental factors and nearby interference sources

4.Proper use will prolong lifespan of wireless doorbell effectively