VA long-distance switching 4-channel + 2x keychain

Radio control of electrical equipment It is advisable to use where higher operator comfort is desirable or it is difficult to ensure switching with a classic mechanical switch. With this switching system you can switch 4 relays with switching contacts and one contact. The range is in ideal conditions up to 80 m. A greater distance can be obtained by connecting an external antenna with a coaxial cable. Remote -controlled electronic switching system Switching/off pool electrical engineering such as lights, pump engines, etc. Includes a switching module and two small control keyboards