_x000D_ Highlight description: _x000D_ [User Friendly & Various Accessories] This USB fast charging power sander comes with 8 sizes of high quality nylon sanding heads and 12 types of wear resistant self adhesive sandpaper. The sizes and shapes are easy to recognize, and the various shapes of sanding heads and various precision sandpapers meet the needs of DIY craft enthusiasts [Safe Overload Protection] This mini reciprocating sander adopts intelligent overload chip to protect the motor safety at all times, the tool stops automatically when overloaded, preventing the motor loss and prolonging its service life [USB Rapid Charging] The electric sanding pen realizes 20 minutes rapid charging, and the intelligent indicator light provides real time feedback on the battery level. The battery life is about 100 minutes when fully charged and unloaded [Functional Indicator Lights] Our mini sander has 10 kinds of functional indicator lights freely assigned to meet your different needs _x000D_ _x000D_ Specification: _x000D_ Product Name: Mini Reciprocating Sander Material: plastic + metal Color: red Size: 178x21x18mm Reciprocating stroke: 2.50.1mm Reciprocating level deviation value: 0.1mm Battery specification: 280 mAh 3 Speed Adjustable: 2800/3100/3600 strokes per minute Left right swing deviation value: 0.1 mm Load output current: 750 mA Input voltage: 5 volts Maximum no-load output current: 250 mA Output voltage: 3.7 volts Power rating: 2.8 watts Input Current: 1 amp Charging time: 20 minutes No load continuous use time: 100 minutes Note: 1. Do not expose the electric sharpener to high temperatures above 40 C. 2. Children under 14 years old are prohibited from using this product to avoid injury. 3. Do not knock or drop this product to avoid damage and rendering it unusable. 4. Do not cover the operating electric sharpener with any object to ensure good heat dissipation. 5. When not in use for a long time, it needs to be charged every six months to prevent the lithium battery from over-discharging. 6. Do not apply excessive force to the grinding head during grinding to avoid excessive load on the motor. 7. The electric grinding pen has relatively low power and is used for precision grinding and polishing of small parts. It cannot be used for large parts. type parts. _x000D_ _x000D_ Parts List: _x000D_ 1 x Body 8 x Grinding Head 1 x Power Cord 1 x Storage Box 582 x Adhesive-backed sandpaper for flat grinding head (#180/280/400/600/800/1000, 97 pcs of each grit) 282 x Adhesive-backed sandpaper for curved grinding head(#180/280/400/600/800/1000, 47 pcs of each grit) _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Mini Sander with Overload ProtectionUSB Rechargeable Mini SanderPortable Reciprocating Sander Sanding Pen Polishing Machine,Electric Sanding Pen for Polishing Surfaces _x000D_ _x000D_ _x000D_