... adopted the most advanced PWM (Pulse-Width Modulation) digital brightness-adjusting technology at present. ABS engineering plastic panel, with ... various LED single color ligths.Performance parameter: 1,0~100% brightness adjust,8 changing modes,256 scale levels.2, Automatically ... choice5,0%, 25%, 50%75%, 100% brightness easy to select.6,Speed and brightness mode for select7,3 DIY modesProduct parameter ...