Equipped with 3 types of LEDs! Useful for various purposes!High brightness white For fine work in dark places.UV light quickly luminescent red marker with rabina and clip for recognizing marks and places.Battery used: 3 AAA alkaline batteries (sold separately).Continuous lighting time High brightness white: About 6 hours.UV: about 20 hours.Red marker: about 60 hours.Brightness High brightness white: About 160 lumen.UV: about 20 lumens.Red marker: about 10 lumens.Waterproof drip-proof.Light source used White LED x 1 light, UV LED x 1 light, Red LED x 6 lights