The Amaran 528C is a 528 LED Bulb Bi-Color Off Camera light. It features a strong and steady light with manual brightness control, and uses PWM technology to decrease power dissipation. It is expandable for maximum brightness, small for easy portability, and has an efficient dual power supply system. Use Amaran 528C to get the same professional lighting seen on TV and Hollywood. Features: Digital brightness display, Brightness wheel, Charges batteries when powered by AC, Double power supply system, Battery power indicator, High color rendering LEDs (Ra>85), Long lifespan and steady light PWM technology for low power consumption, High efficiency energy saving bulbs, Efficient heat dissipation, Slim design, Universal lamp bracket, White diffusing filter and orange warming filter (3200K), Light for handheld use