Description:100% brand new，high quality Carve your sporting gear， children's toys， tools， etc... Press the control button in with your thumb，applying slight pressure Press tool sown on surface to be engraved，hold it at a slight angle(like you would a pencil) Power:2x AA battery(not include) Size:170mm x 30mm x 30mm Color:White/Blue Fit:Metal ，Steel ，Wood， Electronics， Valuables， Collectibles ，Leather， ComputersPackage Included:• 1 × Electric Jewellery Etching Engraver Engraving Pen Carve Tool with Tip