What's in the box:

Portable Engraving Pen Mini Electric Drill Pen LED Speed Display Carving Pen Engraving Machine Graver Tools Rechargeable Grinding Machine (Standard)

Suitable for various kinds of stone carving, wood carving, olive carving, plastics carving, glass carving, ceramic carving, drilling and metal surface grinding, engraving, trimming, etc.

Features:
C-harging and plugging dual use, can be connected to the power while charging, more efficient.
There is an inner hexagon wrench receiving hole at the rear.
Jacking type grinding heads lock mode, no skid.
LED displays power, speed, and load information, giving you more accurate control of the grinder.
Made of fine quality material for long service time.

Specifications:
Color: silver
Power: 8W
Clamping diameter: 3mm
Motor speed: 1 gear 5000, 2 gear 10000, 3 gear 18000
Battery: 3.6V, 300mAh
USB cable length: 0.5m
Package size: 210 * 135 * 35mm / 8.3 * 5.3 * 1.4in
Package weight: 120g / 4.2ounce

Packing List:
1 * Engraving Pen
1 * USB Cable