Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Electronic lettering lettering is a novel inst ent, it has a small size, light weight , easy to carry, easy to use features. It not only can play in research and industrial production classification marking role, but also in of commercial and home are still widely used in the production process, also has its unique carved usefulness. The inst ent provides a fastest and most easy to remain permanently marked on the material method, which can be on metals, ceramics, plastics, wood engraving almost all materials, crafted Electric engraving pen principle: Cyclical nature of the use of AC frequency drive forced vibration produced written work, so the work process produce be to withstand the sound is normal ( because the market for all of this principle lettering pen has a certain sound ) so the sound has allergies those who buy carefull Electric engraving pen to use: Same as the pen slightly tilted at an angle ( about 45 degrees ), and the hand resting on the table, do not press down hard when you inscribe, write slower than usual. Inscribing can be adjusted by adjusting the travel gear by repeatedly carved grasp its performance to meet the different materials carved font size and depth requirements. Specification: Power Supply: AC220V, 50Hz Power: 10W-25W Colour: black Material: plastic Package Contents: 1 x Engraving Pen Note: Not more than one hour of continuous work , intermittent use to the body 's life , turn off the power supply when not Only the above package content, other products are not included. Note: Light reflection 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.