How to useļ¼ Insert 2 AA Batteries (Batteries Not Included) Unlock /Protective Cap to Down Position Press Down on Sealer to Preheat 5-7 Seconds Flatten Out Surface of Desired Bag to be Sealed Apply Sealer to Bag and Firmly Press Down While Pressing Down, Move Moderately from One End to Another Move Protective Cap Back to Up PositionSpecifications: Material: High quality ABS material, resistance to high and low temperature. Size: 9x6x3cm/3.54x2.36x1.18inch Color: Yellow/Blue Battery: 1.5V, 2 AA Batteries, use only alkaline(Not Included).Package Including: 1x Vacuum Sealers (Not included Battery)