Info jag fikk från en leverantør i Kina: -1W high output LED, made in Taiwan. 98% light output within PAR range of 400-700 Wave length. -Each LED can carry an output of 1.03W, with 70LM output for 15000K. Rated working tem below 55C. -40W LED equals to 150W metal halide light, while power consuption only quarter of HID. -Each 30cm is a module, with 7 pcs circuit board, each circuit board mounts 3 LEDs. -Each module with individual LED driver and cooling fan*1, DC 12V voltage driven /Pål