Thank you for viewing. During long holidays such as the year-end and New Year holidays, Golden Week, and Obon, I will post the shipping schedule in the self-introduction section, so please check it. << Wireless LED Light Curing Unit Irradiator Dental DIY >> Color: White Power supply: AC100-240V 50/60Hz Built-in battery: Lithium-ion battery 2200mAh Irradiation output: 5w, 1200-2000mw/c㎡ Wavelength: 420-480nm Curing effect: 5s/3mm ・Contents・ Main unit (built-in lithium-ion battery) Optical fiber Eye guard Charger stand AC adapter Manual (English) ・Product Description・ Cordless LED light irradiator. LED screen, high-quality plastic handle. The irradiation time can be set freely. Irradiation modes are gradually increasing mode, flashing, and full light mode. The curing time is 40 seconds. A sound signal to remind the operator every 10 seconds. ***This is an imported product, so there may be some scratches or minor imperfections. Please understand. ***We do not provide installation support. ***In the case of initial defects, if you contact us within one week of the product's arrival, we will exchange it if we have stock, or refund your money if we do not. Shipping from Kanagawa. Shipping will be via Yu-Packet Plus.