A handheld device that is used for the polymerization of visible light-activated dental materials. Specifications: - Time select: 5s-40s. - Input voltage: AC100V--220V 50-60Hz. - Battery: Lithium-ion battery. - Battery capacity: 2200mAh. - Wavelength: 420-480 nm. - Light power: 1400mw/cm². - Color: Blue. **For Further product information, please contact Chat Support**