Led lamp 4000 k, 855 lm, 7w equivalent to 18w, gx24q-2, ip20. efficient consumption 7 kwh/1000h, energy class e. compatible with electronic ballasts (hf / gx24q-2). lifespan of 30,000 h, switching cycles 20,000. quick start <0.5 s (60% light). ra=80, light beam angle of 280°. working temperature range from -20°c to +45°c. 30-70 v, 25-75 khz. 4,4 x 4,4 x 11,5 cm