The HPRT Sk41 Thermal Label Printer is a portable unit that supports black & white printing at a speed of 40 ppm. It has a memory capacity of 768 MB and can handle paper sizes of 4x6, 4x8, and 4x10. This label printer utilizes thermal technology and offers connectivity options through USB 2.0 and cable. The product includes labels and is manufactured in China under the HPRT brand. It does not come with a California Prop 65 Warning.