Varizoom's longest-produced LANC control has an aluminum housing, isolated circuit board, and industrial components, making it extremely durable. The patented design employs a rocker and speed dial for ‘ramping’ or presetting zoom speeds with flawless, full-range precision.Built to last a lifetime, the Pro-L is a durable and reliable control not only because of its industrial design, but because it's had the most time to refine and improve it through many production generations.Varizoom is the world's largest manufacturer of lens controls with the widest variety of controls offered anywhere. Varizoom controls are used by CNN, CSPAN, National Geographic Society, Nickelodeon and many other professionals.FeaturesPatented speed dial w/ rocker in pistol-grip configuration allows for preset or ramping of zoomsLarge, safely-located record/pause buttonLarge manual focus buttons located on underside of unitPower On/Off for toggling into or out of standby modeRubber-foam grip for operator comfortHeavy duty quick-release clamp systemIndustrial-grade aluminum housingSpecificationsWidth: 4"Length: 6.5"Max Clamp Diameter: 1.25"Cord Length: 40"Weight: 1 lb.Construction: AluminumCompatibility: Sony & Canon LANC equippedCamcordersWarranty: 2 years parts/labor Varizoom VZ-PRO-L Professional Control for all DV Camcorders w/ LANC Jack.