Specifications: Packing Size: 210*148*71 mm (unit) Weight of packaging: 420g Wavelength: 440-480nm Light intensity: 5W 1200mw/cm² Input voltage: 100-240V 50-60HZ Battery capacity: DC3.7v 2200mAh Solidification effect: 5s/3mm 1. LED screen, high quality plastic handle. 2. Noiseless and no vibration during operation. 3. Large capacity lithium battery. 4. Three modes: Slow mode / Flashing mode / All light mode. 5. Automatic power off: Automatically powers off after 3 minutes of inactivity. 6. Solidification time: 40 seconds. An acoustic signal sounds every ten seconds to alert the user. Working time can be freely controlled. 7. Built-in overheat protection automatically stops operation during prolonged use. Device resumes normal function when temperature returns to safe level. 8. Long-lasting LED with cold light source, no fan required. Minimizes risk of contamination from air movement. Scope of delivery: 1 x Dental polymerization lamp