... the various internal and external temperature and humidity environment. Available color, Red, Yellow, Blue, Green, White, RGB and other effects. ... : LED Quantity12pcs 3W high power led (One Chip RGB color)luminescent color 7-colorLumen (lm)R: 40 G:55 B: 20 ... constant current circuit, can receives PWM signal, to control the color change and brightness.6, Low voltage use, to ensure the personal ...