The Seco strobe prism is ideal for night time or any low-light job condition.

Features:

• Has a red LED that strobes every two seconds.
• Has a sealed prism canister with an M20 thread, which is standard for screw-in style canisters and fits all holders designed for screw-in style prisms.
• 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.

Specifications:

• Flash duration — 0.5 second
• Weight — 0.60 lb (0.26 kg)