Features: 1With intelligent stop function the microcomputer chip automatically detects and automatically stops pumping so there is no need to worry when walking away. LED power breathing light indicator design beautiful and practical. 2Builtin 1500mAh rechargeable battery can be used for a longer time. Suitable for food preservation medium large storage bag. Small and light very suitable for kitchen home and travel using. 3The highstrength motor has stronger suction power and can pump out 4L of air per minute which can save your time and energy. 4Soft silicone contact better sealing performance convenient and durable can be used for a long time. 5It is made of aviation aluminum alloy with an ergonomic structure design and convenient large buttons. Specification: Item Type: Electric Vacuum Sealer PumpMaterial: Aviation Aluminum Alloy+PC+ABSColor: BlackRated Voltage: 5VRated Power: 4WPumping Volume: 4L / MINVacuum Degree: -50KpaBattery: Polymer lithium battery (Included)Battery Capacity: 1500mAhSize: Approx. 10x5cm/3.9x2inWeight: Approx. 406g/0.9lbs Package List: 1 x Vacuum Pump1 x USB Power Cable1 x Transparent Suction1 x Waterproof Bag1 x Chinese Manual1 x English Manual Note: 1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.