Specification: Material: ABS plastic Host size(approx): 150*130*105mm Plug: 110V US plug Package Include: 1Pc x Host 2Pcs x Penholder 1Pc x Cleaning sponge 1Pc x Screwdriver 23Pcs x Tips Pyrography Use Instruction: 1.Turn on the switch during using ,then the machine starts up when the indicator light is red. 2.Adjust temperature of the pen ,through the thermostat, slowly adjust the voltage, until the electric wire tip is gray . Temperture Control Warning: 1.Within the heat baked pen thermostat, do not make the writing temperature of more than 500 degrees. 2.Keeping the normal temperature range in gray area,do not turn to red area as excessive temperature will reduce the pen’s service life even burn out other units.