Description:Needs 2 'AA' batteries ( not included )The fast， easy way to protect your valuables!Identify valuable appliances and equipmentDecorate gifts or trophies with everlasting messagesPersonalize your sporting gear， children's toys， tools， etc...Used to inscribe almost any metal， wood， glass or plastic materialHold the engrave like a pencil with your thumb over the control buttonCan lettering and characterizationSize: approx 15cm long，2cm diameterHow to use:To use，simply unscrew Engrave Pen from the bottom section turning counter-clockwise.Insert battery positive(+) end facing up.Hold the Engrave-lt like you would a pencil，with your thumb over the control button. Press the control button in with your thumb. Applying slight preesure，press tool down on surface to be engraved.Hold it at a slight angle(like you would a pencil).To turn off simply release thumb pressure from control button.To replace the tip grasp gently and pull out.Firmly push newtip in.Please note:1. Always wears protective eyewear when engraving and wash hands immediately after use.2. It is not recommended that you engrave electronic media such as cd's dvd's etc because engraving on these materials may damage the media.Packing include:1 x Engrave PenAttention (no retail package )http://contestimg.wish.com/api/image/rating?name=7d7d7a927ae011e6a922065f903a9ac5.jpg&w=1000&h=1000&m=0&t=0