Continuous-on type, white color, super fish-attracting light, ultra-high brightness LED, set of 4 Multiple purchases are possible ^_^ Depth of 300m compatible, completely waterproof, 12cm, 27g Uses one alkaline AA battery and lasts for over 40 hours, so it's very economical ^_^ Holes at the top and bottom, with a rolling swivel at the bottom Since it's compatible with a depth of 300m, it won't light up unless tightened all the way. *AA batteries are not included, please prepare your own. For hairtail, squid in general, horse mackerel, mackerel, deep-sea fishing, night fishing Boat fishing, octopus fishing, sabiki, Bachi-con, chemical light Fish-attracting light, fish-attracting light, underwater LED, underwater light