Vacuum pump: The product's camera automatically removes air from food bags, extending storage time and keeping food clean. Overheat protection: With overheat protection function, even if used for a long time, there will be no safety problems. Rechargeable battery: Equipped with a 1200mAh rechargeable battery, which can be charged with a USB cable, more convenient to use without connecting a wire. High-quality material: Made of high-quality ABS material, safe and non-toxic, the surface is smooth and easy to handle, and the operation is simple. Align the suction port of the compression bag and press the switch button. Portable: Small and lightweight, the size is only 5.7 x 5.7 x 15 cm (L x W x H), and the weight is only 260 g, so it can be carried around or stored in a backpack.