Bluetooth multifunction relay (YESLY switching actuator) for flush-mounted box installation, 1 programmable channel, 12 functions selectable, 1 input for wired buttons, 1 changeover contact for 16 A/250 V AC, contact material: AgSnO2, supply voltage: 230 V AC (50/60 Hz), lamp load: LED 300 W/230 V AC, transmission range approx. 10 meters in open space (without obstacles)