K&K curing light plastic. Specifications: - Gross weight: 0.55 Kg. - Input voltage: 110 V - 240 VAC, 50-60 HZ. - Output voltage: DC 4.2 V. - Light wavelength: 420 - 480 nm. - Battery: Lithium-ion battery. - Capability of battery capacity: 1500 mAh. - Color: Blue.