Product description Specification: Item Type: 2 in 1 Nail Lamp Drill Product Power: 3W Battery Type: Lithium battery Battery Capacity: 500mAh Quantity Of Light Chips: UV Light Chips: 1pcs Fill Light: 2pcs Product use: 1. How to disassemble and assemble the grinding head: Disassembly method: Hold the body in one hand, and the grinding head in the other hand to go out; Installation method: Hold the body with one hand and the grinding head with the other hand. Align the mounting post of the grinding head with the brush head hole of the main machine, and press into the main machine by aligning the rib groove. 2. When the battery power is sufficient, press the corresponding switch to start the work, and the key start function is as follows: Polishing mode: The first step is to press the sanding button to enter the low end mode, the sanding head will be activated at low speed, and the white light will stay on. The second step is to press the sanding button again to enter the high end mode, the sanding head swings at a high speed, and the white light is on. The third step, click the power button again to enter the shutdown state. UV mode: The first step is to press the UV button, and the UV lamp will light up. The second step is to press the UV button again to turn off the UV lamp. (For the two working modes, only one can be activated at the same time; after one mode is turned on, press the second mode and the first mode will automatically turn off and then switch.) Package List: 1 x Host2 x Grinding Head 1 x Polishing Head 1 x USB Cable 1 x Manual Ingredients default