Features1. Business style appearance design. 2. Variable printing both speed and quality. 3. Built-in rechargeable 1400mAh 7.4V lithium-ion battery, long standby time. 4. Small size, light weight, wireless design, simple connection, easy operation and maintenance, reliable performance. 5. Applications: - The mobile police system. - The tobacco distribution system. - The utility meter reading system. - The mobile office / mobile logistics systems. - The portable instrumentation. - The testing equipment, ancillary equipment.Parameters1. Printing method: dot matrix printing. 2. Printing width: Paper width 58mm, effective width 48mm. 3. Printable content Chinese characters, English, numbers, various symbols. Print line width: 24 Chinese characters / line, 48 English characters / line or 36 Chinese characters / line, 72 English characters / line. 4. Chinese character encoding: GBK. 5. Built-in font: ASCII font (12 * 24 8 * 16), GBK (24 * 24 16 * 1). 6. Print speed: 2.1mm/s. Resolution: 5 points / mm 7. Data communication interface: Bluetooth. 8. Power supply: Machine charging 9V-2A. 9. Print time: Continuous printing3-4 hours. 10. Instruction set: ESC / POS compatible instruction set. 11. Cut paper: Manually tear. 12. Paper roll diameter: 40mm. 13. Operating system: Android, iOS, Win9X/Win ME/Win2000/WinNT/WinXP, Win Vista, Win7, Win8, Linux. 14. Standard accessories: Thermal paper x 1, power adapter x 1, battery x 1, data cable x 1.Specification: General Model Number QS-5802 Material ABS Printer Type Dot Matrix Printer Printing Method Dot Matrix Printing Printing Speed 2.1mm/s Print Width 48mm Print Font ASCII font, GBK Paper Size 58mm width Software Language English, Chinese Dimensions Size 120*100*50mm Package Included Package Contens 1 x Printer 1 x Power Adapter 1 x Thermal Roll Package Weight One Package Weight 0.63kgs / 1.38lb One Package Size 22cm * 16.5cm * 5.7cm / 8.66inch * 6.5inch * 2.24inch Qty per Carton 20 Carton Weight 11.94kgs / 26.32lb Carton Size 46cm * 35cm * 30cm / 18.11inch * 13.78inch * 11.81inch Loading Container 20GP: 552 cartons * 20 pcs = 11040 pcs40HQ: 1281 cartons * 20 pcs = 25620 pcs