... Power by2 "D" size batteries Light direction:more than 1500m used for lighting of fishing, boating, and breed This lamp is used ... when the fisherman working on the sea and is also used for the traffic warning light. 1. easy to bring with, short ... with , more than 1,500 light direction3. automatic light control function4. used for lighting for fishing, noating and breed, also for the traffic warning ...