As entry-level solution, Stealth™ S-660 Wireless 3-Axis Shaft Alignment System features wireless communication and Dual-Fan™ Technology. Included L-780 Dual-Fan™ Laser Head has 15 ft range from to T-1280 Wireless 3-Axis Target, which features one-axis, 20 mm Dual-Fan™ PSDs with 1 micron resolution, <0.75% offset error, and <1.5% angular error. Angular measuring range is ±2°. Other components include R-1342CRT 8 in. touchscreen Win 8 tablet and entry-level license for Couple6 software.