Bluetooth roller shutter actuator (YESLY switching actuator) for flush-mounted box installation, 2 channels (1 x up, 1 x down), 2 inputs for wired buttons, 2 make contacts for 6 A/250 V AC, contact material AgSnO2, supply voltage: 230 V AC (50/60 Hz), transmission range approx. 10 meters in open space (without obstacles)