1.ATTENTION: E1 Errors Indicate Low Battery. Please Charge Using the Correct Charger with an Output of 15V 3.0A. This Device Will Not Work with the Nail Drill Charger, Which Has an Output of 12V 2.0A. 2.Featuring a 4 LCD tie display tier, this nail lap allows you to easily set curing times for different nail treatments, providing flexibility and control. 3.Auto Sensor Technology: Say goodbye to manual activation. The builtin auto sensor technology detects when you insert your hand, automatically initiating the curing process for added convenience. 4.Auto Sensor Technology: Say goodbye to manual activation. The builtin auto sensor technology detects when you insert your hand, automatically initiating the curing process for added convenience. 5.Spacious Interior Design: Designed with all hand sizes and nail lengths in mind, the lap a spacious interior that accommodates comfortably, making your athome nail care experience enjoyable and stress. 6.Versatile Gel Compatibility: Compatible with both UV and LED gels, this curing lap is a versatile choice for various nail treatments, allowing you to explore and create a wide range of nail designs. 7.Cordless and Rechargeable: Experience dom of movement with the cordless and rechargeable design. No more dealing with tangled cords – enjoy the flexibility of curing your nails anywhere, anytime. 8.MirrorFinish Interior: The interior of the lap features a mirror finish for even light distribution during the curing process. Achieve consistent and flawless results with every use for a professional finish.