Published by xia, CrystalNov 23,2018

Difference between 433 remote control and 315 remote cont...

The frequency used by the radio remote control is 433Mhz or 315Mhz, also referred to as 433 remot...

Published by xia, CrystalOct 30,2018

Infrared alarm principle, function and installation method

The infrared alarm can detect the infrared rays emitted by the human body, and is composed of an ...

Published by xia, CrystalOct 10,2018

How to match the automatic door compatible remote control...

The automatic door compatible remote control is a remote control device that uses radio signals t...