The 4 relays board. for LK3 ONLY, ( don't work with LK2 or LK1).
The 4 relays board. After connecting to GSM v3 controller each relaycan be independently turned on/off. Main application is managing by up to four electric devices. Note: Power supply 8.4-30V.
The 1 relays board. After connecting to GSM v3 controller, relay can be turn on/off. Main application is managing by up electric devices. Note: Power supply 8.4-30V.
WIFI switch-on with Tinycontrol.eu software managed from the level of our MQTT.ATS.PL server. Only for request.