Smart BLISS2 room thermostat (radio 868 MHz), color white, 1 changeover contact 5 A/250 V AC, remote controllable with app (Android or iOS) via gateway, LED matrix display, 2 touch-sensitive buttons and 1 proximity sensor, weekly program, geolocation, summer/winter function, temperature range +5.+35 °C and relative humidity (5...95)%, power supply 3 x 1.5 V AAA batteries, IP20