This case is Dave Genz's second generation of the popular "Blue Box" carrying case. He has redesigned it with today's products and technology in mind. Fits almost any unit: flashers, LCDs, GPSs and more. Semi-Enclosed battery compartment fits standard size sealed lead-acid and gel cell batteries. Ice-Ducer support eye-bolt for an alternative to using the float. Designed to fit securely on top of a five-gallon bucket for easier viewing and reach to the controls. Pre-drilled holes for optional accessories. Super durable design can take the toughest abuse. Transducer holder fits all Vexilar transducers. Large cable storage compartment. Standard case for Vexilar Genz Packs.