Happison LED Underwater Fishing Light for Night Fishing YF-500

Lifespan (at 20°C): Approximately 10 hours with all lights on continuously / Approximately 40 hours in auto mode (when using alkaline batteries) External dimensions: 123mm diameter x 300mm total length Weight: Approximately 1.6kg (including alkaline batteries) Accessories: 30m rope / rope spool Used: 4 D-cell batteries Equipped with an LED with a wavelength of 500nm (blue-green), which is the wavelength to which fish respond most. The light's [1/f fluctuation] stimulates fish feeding behavior. Equipped with a white LED, allowing for clear observation of underwater conditions.