Feature: Adopts high-power LED with long lifespan and low heat generation. Easy to operate, safe, and noise-free. Super long standby time; a full charge supports over 130 continuous uses in 20-second working mode. Low standby power consumption with up to 90 days of standby time. Maintains constant light intensity; curing performance is not affected by remaining battery level. Touch-button control for comfortable and convenient operation. Equipped with a large-capacity lithium-ion rechargeable battery, automatic shutdown function, low battery indicator, and replaceable battery design. Specifications: - Size: approximately 35 x 15 x 15 cm (13.7 x 5.9 x 5.9 inches) (L x W x H) - Material: Plastic - Working modes: Strong, Gradually strong, Pulse - Working voltage: AC 110–240V, 50–60Hz - Wavelength: 420–480nm - Luminous power: 1500mW/cm² - Curing time and depth: 5 seconds / 3mm - Adjustable working time: 5–40 seconds - Battery capacity: 2200mAh, 3.7V - Battery standby time: 90 days Operation instructions: 1. Strong light mode: When the strong light indicator is on, press the power switch to enter strong light curing mode. The buzzer beeps "di" every 5 seconds. After the countdown completes, the device turns off automatically. 2. Pulse mode: When the pulse indicator is on, press the power switch to activate pulse curing mode. The power indicator lights up, the buzzer beeps "di" every 5 seconds, and the timer counts down. The device shuts off automatically when finished. 3. Gradually strong mode: When the gradually strong indicator is on, press the power switch to enter gradually strong curing mode. The power indicator lights up, the buzzer beeps "di" every 5 seconds, and the light source gradually increases from weak to full intensity. The timer counts down and the device turns off automatically upon completion. Package includes: 1 x UV Dental Wireless Lamp 1 x EU Plug