Direct thermal printer, more quiet and fast working, saves energy. Efficient and clear printing, print speed can reach to 80mm/s.Built-in 1500mAh rechargeable lithium-ion battery, can work continuously up to 8 hours.Small size and lightweight, easy to carry. Designed for outdoor working, such as printing taxi bill, parking bill, express delivery invoice, restaurant ordering, ticket selling and so on.Paper Size: 58*30mm(about 2.17*1.18in) for 1 paper roll, 10 .Supports Android, IOS and Windows,