JOSLOVE Electric Nail Drill Machine, 45000RPM Electric Nail File Efile Drill for Acrylic Gel Nails, Rechargeable Portable Nail File Manicure Pedicure Tools with Nail Drill Bits, Purple

If nail drill does not lock during operation, "ER" will appear on the screen.

It is activate the overload protection mode to avoid hurting your hands or nails.

You need to rotate the drill handle to locked position and then press any key or rotate the speed switch to restart it.

1 Nail Salon Use 2 Home DIY Use 3 Perfect Gift Set 1 Multipurpose Drill Bits 2 Suitable of Nails 3 How to Use Meet all your needs