Voltage: 230 V~ ±10%, power consumption: less than 1 W, ambient temperature: -25°C to +50°C, protection type / protection class: IP20 / II, settings: rotary control, detection range: circular 360°, range Ø H 2.50 m / T = 18°C:, small movements 4 m / tangential 10 m / frontal 6 m, recommended mounting height: 2 - 3 m, light measurement: mixed light, daylight and artificial light, lux values - potentiometer: 10 - 2000 lux, contact type: normally open/NO - with leading tungsten contact, contact load: 2000 W, 230 V~, cos = 1/1000 VA cos = 0.5, time setting: 30 sec. - 30 min. , Dimensions H x Ø [mm]: 84.5 x 80 , Visible part: 15 x 80 mm , Installation dimension: Ø approx. 68 mm