813 wireless doorbell/remote doorbell/electronic doorbell 36 kinds of music

Product features:
Using high quality special music IC, high quality moving coil horn, the sound is pleasant, melodious and pleasant. The introduction of the United States high precision testing equipment debugging and production, coupled with strict quality control, to ensure excellent product quality. Advanced technology, exquisite workmanship, fine carving, excellent function, beautiful music. Installation is simple, do not destroy the beautiful effect of the bedroom decoration. Remote control distance, up to 80 meters (open land). The normal use of the family due to partition partition, the distance is about 20-30 meters. The launcher USES a 12V battery, the battery lasts (20 times/day) a year.

Instructions:

The transmitter is loaded with a 23A12V battery and affixed to the door (double-sided tape is attached, but do not attach to the metal security door directly, it can be deflated to the next wall). The receiver can be used at home after two AAA1.5 batteries are installed. Next to the receiver is the tone selection button, which can be pressed to select the tone. When the transmitter is pressed at the door, the receiver at home receives the signal and the bell rings. It is a very economical and practical doorbell.

Product principle:

Wireless transmit receive signal, analog type.

Function parameters:

Transmitter: 23A12V

Receiver: AAA1.5*2(no. 7 battery)

Bell: 36 chords

Notes:

1. The launch plate should not be too closemetalSo as not to affect the remote control distance.

2. Try to use high-quality alkaline batteries.

3, after a period of use, if it does not work properly, please check the battery power.

4. Avoid installing the product in the place of sun and rain, so as not to affect the remote control distance.

5. Do not open it at will to ensure safety.