Details: (Item # H26501-DSG) Fully enclosed spring-free arm with reach of 35". Crystal clear 5" 3 Diopter (1.75x) lens with a 22 watt circular fluorescent bulb protected by a diffuser/splash guard. Comes with a C-clamp but can be mounted directly on work surface. Operates at 115V-AC and comes with a 5 foot power cord.