UV UV glue optical curing glue. Can be used for photographic ink painting, phototherapy, fluorescent agent detection, banknote counterfeiting, etc. There are three gears: strong, weak and flashing. Power: 10W Size: Cable (approx.) x 1m, 40mm Type: Mini UV Lamp LED: T6 Purple LED Wavelength: 395-400nm Material: Metal Color: Black Package Contents: 2 x Ultraviolet Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.