The VJ-Advance from RF System Lab is an ultra-portable, full-featured video borescope with 3.9 mm or 6.9 mm diameter insertion tube, joystick-controlled four-way articulation, built-in 3.5-inch display, and on-board image and video capture capability. The company will ship you a no-cost, no-obligation demo unit, so you can try before you buy. For more information call (989) 731-5083 or visit www.rfsystemlab.us.