Magnifier Lamp With Stay Cool Lamphead Floor Model BLACK Opthalmoscopes Heads 4 Channel Combination * Easy to add modularity 14272 4 Channel Combination * Easy to add modularity allows the addition of two additional channels of electrotherapy light therapy or a battery module * High contrast 5 (13 cm) FSTN LCD monochromatic user interface * Two independent electrotherapy channels expandable to four independent channels * Multiple waveform electrotherapy six clinical waveforms: Interferential Premodulated High Volt Russian Symmetrical Biphasic and Microcurrent * Documentation of treatment data with Patient Data Cards * User defined protocols for your specific needs * Dual frequency ultrasound at 1 or 3 * Safe working load: 400 lbs * Width: 24 39 Floor Model * Oversized aluminum heat sink with dual shade system * Standard incandescent quartz halogen * Color corrected full spectrum * Magnification: rimless 2X power 5 magnifier * Separate line of sight & line of light *