Description: This is a wireless dental light machine. Made of high quality material, sturdy and durable. Easy to operate, safe and lower noise. Super long standby time. A full charge can be used for more than 130 times continuously under 20s working time mode. Low standby power consumption with 90 days' standby time. Features: Made of high quality material, sturdy and durable. All finishes are non-toxic, safe and Eco-friendly. Easy to operate, safe and lower noise. Super long standby time. A full charge can be used for more than 130 times continuously under 20s working time mode. Low standby power consumption with 90 days' standby time. Constant light intensity. The solidification effect is not affected by the consumption of remaining power. Touch-button for more comfortable and convenient to operation. Specification: Material: Plastic Color: Black / White / Green (Optional) Plug: US / EU Plug 110V-240V(Optional) Working modes: Strong, Gradually strong, Flashing Working voltage: AC 110V, 60Hz Wavelength: 420-480nm Light intensity: 1200mW/cm² - 2000mW/cm² Solidification time and depth: 5s/3mm Optional working time: 5-40 sec Battery capacity: 2200mA/h, 3.7 - 4.2V Battery standby time: 90 days Length of the dental machine: 17cm / 6.69 inch(Approx.) Width of the baffle: 6.5cm / 2.56 inch(Approx.) Package Included: 1 x Dental machine 1 x LED bulb 1 x Baffle 1 x Charging plate 1 x Adapter 1 x User manual Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures. .