1. 4 gears to adjust the speed, and it will automatically shut down after 1 minute of no operation. 2. LED gear digital display, using eye protection blue light design. 3. The motor can be rotated forward and reverse. 4. Green dust light, easy to distinguish dust. Easy to remove glue without hurting the screen 5. The battery is super strong and durable, it can work continuously for 10 hours, and the motor does not get hot or crash. Type-C charging input (not plugged in, prohibited during charging) Model Number:IR14 Application:Computer Tool Kit Type:Electric Trimmer,Grinder,Polisher :ELECTRICAL enter:Type-c Colour:Blue Material:PC+ABS Package Contents: 1 * OCA Electric Glue Remover iR 14 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.