Features: This is a kind of the professional pyrography machine, with universal professional fine heating pen, and 20 small electric heating wire pen heads. Equipped with one digital display, you can see the voltage clearly and control it accurately. Conform to human engineering pen design, compact and lightweight for the shapely and smooth lines, you can create a beautiful work. You can control the pen heads\' temperature through adjust the voltage of main machine, infinitely temperature adjust and control, make the temperature suit for pokerwork. Anti slip soft pen handle, lightweight, with short distance between handle and pen tips, suitable for delicate detail painting, and can provides long time using. High-impedance pen heads, no carbon deposits after long time use, and will not bend under high temperature, can provide long service time. Comes with 1-20 pen heads, 1mm diameter, easy rendering, painting, drawing lines, calligraphy, you can change it according to your demands. Suitable for woodworking, leather, furniture and crafts gourd pyrography. Note: Sponge should soaked with water before use, in order to avoids high temperature written burn out a sponge.