Bestlight Ultra-Bright LED 36 Camera/Video Light with Rechargeable Battery Pack and Charger for Canon, Nikon, Olympus, Pentax DSLR, Mini-DSLR and Camcorders Long life span (up to 50,000 hours) Highly efficient, power-saving, low energy consumption Stable color temperature after long time uses Automatic IT circuit control suport Utilizes imported IC technology