Direct Thermal, Up to 170 mm/sec, 203dpi, Ethernet, Wifi, USB Supports sticky and re-stick label printing A water-resistant cover protects the main-board from water and moisture (IP21 certified) Optional taken sensor (Available on SRP-S300T/TX): Label will not continue to print until current label is removed to prevent jamming Built-in B-Melodist: Voice error message; One-time or continuous alarm for order notification Anti-jam technology is provided by special paper path design and automatic guillotine cutting system Paper saving mode reduces the length of a receipt up to 25%