Powerful & multi-color LED underwater photography and video light Maximum 4000 lumens output, four light colors - white, red, blue and UV. High CRI, with 9 Cre e LEDs - XHP70.2 for white light, XPE2 for red/blue lights, and TX3535P3 for UV light. Multiple lighting modes for color compensation in UW photography. Press switch for white light, rotary switch for fill lights. Lock function to avoid accidental turn on/off light. 2.5 hours runtime for 4000 lumens. Powered by 4x18650 batteries. A LED power indicator to remind the battery status. Class III Hard Anodized Finish, Aluminum 6063 material. Waterproof - underwater 100m. Material: It is made of aluminum 6063, up to 100m underwater Light Source: Super bright the 2nd generation XHP70.2 LED Output Brightness: The The maximum power can reach 4000 lumens, illuminate the diving environment. Read more High CRI score High CRI score provide better lighting in dim underwater environment, help you to get more better image captured Read more Super Bright With four color lights-white, red, blue and UV, white light uses the 2nd generation XHP70.2 LED, red/blue lights uses XPE2 LED and UV light uses TX3535P3 LED . Lock Function Long press of the switch (near head) for 3 seconds when the white light is off will enter lock mode. Then the white light will flash three times, then both both switches are not able to turn on the light, long press the same switch again can exit the lock mode. The switches Two different independent switches control two kinds of light, the switch near light head can adjust the brightness of white light, the tail switch can change the fill light Read more LED Power Indicator 3 LED indicator show you the battery power, one light off means that one third of the battery power is consumed, when the power is less than 5%, the only one light will flicker Read more Read more Read more