Published by xia, CrystalNov 23,2018
The frequency used by the radio remote control is 433Mhz or 315Mhz, also referred to as 433 remot...
Published by xia, CrystalOct 30,2018
The infrared alarm can detect the infrared rays emitted by the human body, and is composed of an ...
Published by xia, CrystalOct 10,2018
The automatic door compatible remote control is a remote control device that uses radio signals t...
