Adopt the aluminium alloy material exchanging heat dissipation, handicraft is loaded with bed but able by high precision turning machine, have width voltage built-in (85-265), is insulated putting a power source under isolated drive , the Gaoliuming value high-power light pearl is an illuminant , 3 W300LM have E２７＼MR１６＼GU１０ with 4 W４００LM,