Ageing Charisma Katsuki Katsuki wanted a fishing light for maneuverability, long time use, and brightness. In 2016, Hapyson embodies the further evolution of light that never endured with the YF-200 Chestlight Intiley Ray. Uses rechargeable lithium batteries that are approximately 15% lighter, and the YF-201 chest light has been debuted with extended use and increased light. [Features] Non-slip, bump resistant, stable battery layout. Super Luminous Boost illuminates objects approximately 10,000 lx and approximately 600 lm (500 m) away. Super diffusion light (about 600 lx and about 200 lm) / Uses rechargeable lithium battery to reduce weight by about 15% and further increase anglers maneuverability. Comparison to YF-200 / fits the body. Light feel battery layout. / 4 hours of continuous use on a single charge (when on strong light). Can be used stable even in low temperatures in winter. / Charging via USB power source. A function that is sure to be pleasantly surprised.