Print Method: Thermal Line Printer Print Speed: 180mm/sec(max)Character Size: 203dot/Line Interfaces: USBAdapter Input Voltage: AC 100-240V 50/60HzEffective Printing Width: 108±0.2mmSize of Printing Paper: 110±0.5mmCompatible OS: Win 9X, Win 2000, Win 2003, Win XP, Win Vista, Win 7/8/10, Android, IOS, Size: 19 * 10 * 9.7cm/7.5 * 3.9 * 3.8inHigh-speed printing at 180mm/s, which is the fastest among all the closest competitors which will save your 2-3 Hours’ time/per day. Ideal Print label Width: 1.6" to 4.3" (40mm-110mm) Such as 4''x6''/4''x4''/4''x2''/3''x2''. You can print from main applications such as Areobat PDF, which can use color thermal label paper to print black content. When inserting the thermal label paper, the label side should face up.Super Compatibility: Easy work with Win 9X, Win 2000, Win 2003,Win XP, Win Vista, Win 7, Win8, Win10, Android, IOS, MACOS. You can create customized labels directly from your computer. And various software for different system(Windows: Dlabel, Bartender; iOS: DLabel, Print Label, RTRongta; Android: Dlabel, Print Label, Noko Print)Download the APP according to the user manual, You can use it in the warehouse without a computer. (ONLY BT&USB version)Package List:1 x Label Printer1 x User ManualNote:Please allow 1 - 3 cm error due to manual measurement, Due to the difference between monitors, the picture may not reflect the actual color of the item. pls make sure you do not mind before you bid. Thank you!