Amaran 528C is the ultimate LED video light that allows you to conquer tricky white balance situations. It features color temperature control strong and steady light manual brightness 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 528 to get the same professional lighting seen on TV and Hollywood. A. Main Features Functions 1. Steeples color temperature control; 2. Manual brightness control; 3. Color temperature display; 4. Digital brightness display; 5. Charges batteries when powered by AC; 6. Double power supply system; 7. Battery power indicator; B. Property 1. High color rendering LEDs (Ra>85); 2. Long lifespan and steady light; 3. PWM technology for low power consumption; 4. Highly efficient energy saving bulbs; 5. Efficient heat dissipation; C. Design 1. Slim design; 2. Universal lamp bracket; 3. White diffusing filter; 4. Light for hand held use; 5. Carrying case included; D. Compatible Lithium Batteries: Sony NP-F series: NP-F550 / F570 / F770 / F960 / F970; NP-FM series: FM50 / FM51 / FM55H / FM500H; NP-QM series: QM50 / QM51 / QM71D / QM91D