Another upgraded version! This one is a big brother of the HF-H-3T. With a wider crystal upper cover and large capacity, it’s absolutely big enough to hold a waterproof project even with a display screen. Here are some details about this case. Inner dimension: 48x140x215mm; Out dimension: 55x145x222mm; Thickness:3mm; Upper cover Thickness: 4mm, Screw hole outer radius: R=6mm Color: a crystal upper case and a gray button case Including 6 screws to fix the upper and the button and one piece of elastic cord maybe you will need in case of tying something up Made of plastic, durable and easy to drill or shape Water proof