1. 4 working modes: Strong, low, gradually strong, flashing; Being saved automatically 2. Adjustable working time: 5s~40s; Being saved automatically 3. High power LED with pure blue light: To solid any brand of resin material 4. Constant light intensify: To prevent the solidification effect from being affected by the low battery 5. Over-temperature protection by real-time monitoring LED 4. High capacity rechargeable battery with longer duration 5. Ergonomics design with elegant appearance to bring the convenient operation. Carton.