Power supply:;230 V, 50/60 Hz;Rated power:;3 x 250 W;Lamp holder dimensions:;55 x 15 x 21 cm;Adjustable height:;from 82 to 152 cm;Weight:;14 kg;IP Protection:;IP 20;Directive CEE 93/42:;Class II A;Standard EN 60601 - 1:;Class I Type B;Infrared irradiation intensity of one single lamp - at 20 cm:;340 mW/cm²;Infrared irradiation intensity of one single lamp - at 30 cm:;170 mW/cm²;Infrared irradiation intensity of one single lamp - at 40 cm:;100 mW/cm²;Infrared irradiation intensity of one single lamp - at 50 cm:;70 mW/cm²