The HP Color Laserjet 178nw Wireless All-in-One Printer is built with 600 x 600dpi printing resolution. It has 2-Line LCD; 13 Buttons(Power, Cancel, Start(Mono/Color), Navigation(Menu, OK, Back, Left, Right), ID_Copy, Contrast, Scan to, Wireless); LED indicator lights(Power, Status, Wireless). You can use this printer to Print, Copy, and Scan and this printer are capable of 20,000 pages monthly duty cycle. Its power capacity is 110-volt input voltage: 110 to 127 VAC, 50/60 Hz and 220-volt input voltage: 220 to 240 VAC, 50/60 Hz, and power consumption are 300 watts (Active Printing), 38 watts (Ready), 1.9 watts (Sleep), 0.2 watts (Manual off); 0.2 watts (Auto-off/Manual on). The minimum System Requirements for this printer are Windows 7 or newer, Intel® Pentium® IV 1 GHz 32-bit or 64-bit processor or higher, 1 GB RAM, and 16 GB HDD. You can scan files in PDF, JPG, or TIFF format, and the scan speed is Up to 15 ppm (b&w), and up to 6 pm (color). This HP laserjet printer provides 01 years Standard warranty.