The thermal waybill printer is a 4inch shipping label printer with no paper storage design, direct thermal printing, no need ribbon and ink, it is economical and cost saving.
The print head life is 50KM, and work with 32-118mm thermal paper width, maximum printing width is 108mm. High printing speed, up to 152mm/s. The spacing can be automatically detected. Under high strength printing, it will automatically alarm.
http://www.zywell.com/label-printer/