Nitrogen filled electronics compartment to prevent condensation in cold water. Reinforced with three solid steel wires. Uses 10 D cell batters either rechargable or non-rechargable. Batteries not included. Durable with two snaps and carrying handle.
Camera points forward while moving.
Has holes for attaching downrigger cord and adding extra weight if desired. Use for SV-500 only. Specify number of extra feet. If vivid color and stunning video are what you are after, the color unit is a sure fit. Probe is same size and shape as SV-1500 model.