... attenuation: 3%-5%1KHLight Source1W,3W,5W, High Power LEDColor temperature:2600-8000KAluminium Housing Color:Blue, Black, Golden, Silver Weight:96g ... -500G ±5gWorking temperature:3500---6000kBody temperature:less than 53 degree ClesiusWorking temperature:-20~45LED colourWarm White,Nature white,Clod ...