Welcome To Our Shop! I Wish You A Happy Shopping In Our Store, Our Store Will Provide You With Quality Service! Hope You Can Think Of Our Store In Your Free Time! Features: 1. Environmental Protection Plastic Shell 2. Charging Base 3. The Handle Can Be Placed Horizontally vertically To Prevent The Light Guide Rod From Breaking Specification: Product Name: Light Curing Machine Condition: 100 Brand New Quality: A Battery Voltage: 3.7V Battery Capacity: 2200mAh Curing Time And Depth: 5s 3mm Blue Light Wavelength: 420-480nm Blue Light Intensity: 1200-2000mw square Centimeter Charger Input Voltage: 110-240V AC, 50-60HZ Output Voltage: 4.2V Weight: 0.4KG Packing List: 1 Light Curing Machine 1 Optical Fiber Light Guide 1 Shading Plate 1 Power Adapter 1 Manual Precautions: The Product Is Measured Manually, Please Refer To The Actual Product Due To The Light, The Color Of The Product And The Picture May Be Different, Please Refer To The Actual Color Of The Goods Received.[LONG-LASTING BATTERY LIFE] : Ultra-long standby time of more than 90 days, 1 charge, calculated at 20 seconds each time, can be used continuously for more than 130 times. if you have any questions or are 100 satisfied with the purchased product, please let us know! we are always willing to provide you with the best service. we can solve any problem for you. [GRADUAL LIGHT MODE] : The light gradually light up, press the power switch, the power indicator light is on, you can enter the light up curing mode, the buzzer will beep every 5 seconds, and the light source is from low light. gradually bright to the strong light, the running time will automatically end after the countdown is completed. [PULSE MODE] : When the pulse indicator light is on, press the power switch, the power indicator light is on, you can enter the pulse curing mode, the buzzer will sound "di" every 5 seconds, and it will be automatically after the running time is counted down. end. [STRONG LIGHT MODE] : When the strong light indicator light is on, press the power switch to enter the strong light curing mode. the buzzer will sound "di" every 5 seconds, and the running time will automatically end after the countdown is completed. [HIGH QUALITY] : Made of high-quality materials, safe, healthy and durable.