UT10 is set with dual light source, emitting a wide and soft flood light, comfortable and not glaring. Its single button can realize 4 lighting mode switch, easy to control: white light high 170 lumens / white light low 20 lumens / red light 5 lumens / red flash. Matched with multiple optional accessories, the lamp is able to be used as a headlamp, cap light, bicycle light or helmet light by free combination. The built-in rechargeable Li-ion battery provides environmental-friendly and economical power supply via USB direct charge. With palm-size lightweight design, it's convenient to carry and easy to use for only 37.8 grams.