1. Fast and efficient curing, 400mAh Long-lasting built-in battery, Dual LEDs, Type-C port 2. Dual LED Design For Fast Curing: Energy-efficient, not easy to overload, safe and stable in complex environments with long service life 3. 395nm Wavelength: Aim the curing lamp at the glued area for 3-5 seconds to achieve curing 4. Type-C Port Usage: The product uses a Type-C cable port for more convenient charging and use 5. 400mAh Long Battery Life: Built-in 400mAh long-lasting battery for worry-free endurance 6. Suitable for shadowless glue, optical glue, photosensitive green oil, resin glue, ink, etc.