The continuous halogen light is designed specially for the Video camera, and perfectly on TV or film camera. With continuous lighting, there is no need for complicated flash settings. The continuous halogen light T-300 and T-600 are similar in construction, but different in power output. They are characteristic as the long lifetime (about 300 hrs) than the common halogen light. There is a screw on the light body to modulates the bulb’s focus, when the bulb is lowed, the light is more focused. Adjusting the bulb more to the center causes the light beam to be scattered. They both can operated on voltage 110V/60Hz or 220V/50Hz. Continuous halogen light features: 1) Output power: 300W 2) Color temperature: 3,200K 3) Votage:110V or 220V 4) Dimension: 16( W)x16(H)x20(D)cm 5) Weight: 1kg 6) focus adjustable Accessories availabe: barndoor and softbox