1. Smart design, patent pending ; 2. Hand-hold msized 135mm x80 mm x 55mm, able to hold in your palm like working with a mouse , weighted 0.6 kgs, heavy because a full size professional heavy duty motor and piston pump is equipped; 3. Vacuum pressure upto -0.75 bar maximum. 4. High capacity heavyduty NiMH battery operated, able to seal over 20 bags or 10 cans in one charging; 7.2VDC/ 500mAH; 5. Easy operation with a finger 6. Patented non bag-suction design after job is finishing 7. Zipper Bags can be re-usable to save money; Free bags are provided in the packaging; 8. Patented double suction covers, able to work on vacuum canisters, marinators and other accessories; 9. a charger and a stand is included for easy storage