Model Number: WH-M07 wifi thermal printer Brand Name: WH,Brightek Key Specifications/Special Features: WH-M07See table below: ItemSpecificationsPrinting method direct thermal line printing Paper out detection PE sensors Paper loading way easy paper loading Paper width 57mm Resolution ratio 8 dots/mm (384 dots/line) Life of print head 50km Print speed 60mm/sec Charger input 100-240V AC, 1.0A
output 8.4V DC, 1.2A Battery 7.4V DC (8.4-6.8V), 1300mAh Charging time 2 hours Outline dimensions 80*46*123mm Paper supplied thermal paper roll (57mm width, 40mm diameter) Interface serial RS-232C/USB/Bluetooth/Wifi Temperature printer: 10-50°C (14-122°F) Temperature battery: 0-40°C (32-104°F) Humidity printer: 10-80% RH Humidity battery: 10-90% RH Mass storage 8G SD