ET 30 is a home made device, built with quality components, which activates an relay with a simple phone call and works in two modes: toggle ON/OFF or momentarily. It is very simple to use and has many applications.

Dual operation mode: MODE 1: toggle ON/OFF; MODE 2: ON with auto turn- OFF or OFF with aoto turn- ON

Turn equipment ON and OFF from a random place via your cellular phone .... toggle ON/OFF or momentarily

For more device see : [ Ссылка ]

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