Marking Laser - CO2 laser, 10W, Class 4 (wave length: 10.6µm) Guide Laser - Semiconductor laser, 2mW (pulse length:670nm) Markable Area - 75x75mm/3.0x3.0" (Max.) Spot Diameter - About 100µm ( specification data) Character Height - 0.4 to 30mm/0.016 to 1.2" (variable in 0.1mm/0.004"60m/minute (Max.) Marking Speed - 60m/minute (Max.)/180 feet/minute (Max.) Position Accuracy - «0.1mm/«0.004" Work Distance - 150mm/6" Marking Direction - 4 directions (programmable) Kinds of Character - Alphabets and numbers (upper/lower cases), symbols, and the katakana and kanji (JIS 1st level) characters Fonts - One font (TDK standard font), Other fonts are optional. Number of Lines /pages - 9 lines x 15 pages (up to 30 characters/line) Functions - Automatic calendar and counter, Creation of symbols Interface - RS-232C, parallel I/O (optional) Cooling Method - Air Cool Power Supply - 100-120VAC, 3A (Max) , 50/60Hz Operating Environment - Ambient temp range: 10 to 30º C. Relative humidity range: 10 to 85%RH (no condensing) Weight - Laser marker: 20kg/40lb Controller: 14kg/31lb