Fly-eye dome front allowing an extremely wide underwater beam angle of 140° horizontal × 100° vertical Large wheel dial for greatly improved operation, phosphorescent panel for easy readability. The double O-rings significantly reduce the risk of flooding and the front-positioned base contributes to more flexible lighting. It runs on four AA batteries, which are readily available and reasonably priced. Supports "Quick Holder" for easy one-touch attachment/detachment. Dimensions: Diameter: 80mm / 3.1in. Height: 91mm / 3.5in. Depth: 128mm / 5.0in. (*Including protruded parts) Weight[air]: 348g [no battery, no filter], 463g [including 4x “ eneloop ”batteries] Weight[underwater]: Approx. 50g / 1.7oz (with 4x " eneloop " batteries) 1 x IN-4562121433571 -- Inon Z Joint- YS Mount for Inon Strobe.
eBay