Powerful and safe cordless glue gun powered by batteries. 4x1.5 V (AA) batteries are not included. Instructions for use: 1. Insert the batteries into the drawer at the bottom of the 4x1.5 V glue gun.2. Insert the 7.2 mm glue stick into the glue gun and press the handle until the glue stick has moved to the bottom.3. Turn the gun on with the ON / OFF switch. let warm for about 5-8 min. When you press the handle, hot glue must come out of the nozzle.4.If necessary, re-insert the new glue stick into the glue gun.