Technical spec.: Connection (installation): M30 x 1.5 · Base Station (Smart Home): Necessary · Cloud service (Smart Home): Alexa (separate base station required), Google Home (separate base station required) · Color (specific): White · Supply voltage (num): 3 V · Frost protection: Yes · Mode of operation (mechanical/electronic): Electronic · Transmission frequency: 2.4 GHz, 868 MHz
