Three White LED flashlight with 100,000 hour LED life Laser pointer clearly locates center of the UV/Blue field field for accuracy Six UV LEDs (395 nm wavelength) detect leak detection dyes Instantly highlights leak detection dyes for use with standard leak detection dyes available in the market Convenient detachable key chain carabiner Operating temperature 0° to 50°C Four operating modes: flashlight, UV light, laser light, UV/laser light combination