Stepless Speed From 3,000 to 20,000 RPM (Revolutions per Minute).Usually,Low speed for metal/wood,fast speed for glass/ceramic 30 Bits&8 Stencils Includes 10 pointed bits,5 round bits,4 jujube-shaped bits,11 flat bits; 4 graphic stencils,and 4 letter/number stencils.Suits all your needs from lines to deep groovesAdditional Scriber Pen The Scriber Pen is for extra ,delicate strokes,great for marking or etching on jewelry,or other tiny objects,like rings,pendants,etc.Small&Comfortable Handgrip Just hold it like holding a pen,lightweight&compact design,letting you perform intricate work smoothly and effortlesslyEasy to Control the Easily control the engraving/drawing pathMakes smooth and clear strokesWorks for metal,glass,ceramic,plastic,wood,etc.AC Input:100-240VDC Output:9V/1000mAStepless Speed:3,000-20,000 RPMWhat for:The Scriber Pen for strokes,suitable for marking,scribing and etchinThe Engraver for broad strokes,suitable for engraving,drilling,carving,grinding,sharpening,sanding,polishing,and moreDo not immerse the in water or use it near waterYou can wear gogles or dust mask to keep dust out of your eyesAlways unplug the Engraver when changing bits or not in useStore the in a dry place and keep out of the reach of childrenPlug Type:US Plug,it applies to Canada,India,Japan,Mexico,Thailand,the United States,the Philippines and so on.color:red material:metal Package Contents:1* stylus1* engraving 1* US standard plug8* template30* sanding head boxedOnly the above package content, other products are not included.Note: Light 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.