62 mm Blinking Strobe Prism

Here's a prism solution that's ideal for night time or any low-light job condition This prism features a strobing LED light The red LED strobes every two seconds All electronics and the battery are securely built in to the canister The battery — a Sanyo CR-1/3N — is the same used in many cameras and will function for approximately 48 hours before needing replacement Features 0.5-second flash The sealed prism canister features an M20 thread, which is standard for screw-in style canisters and fits all holders designed for screw-in style prisms Weighs 0.60 lb (0.26 kg)