12V ELECTRIC BATTERY DRIVEN FIN. Fit AQUA MARINA sup boards and kayak with slide-in fin base. High lever IP67 waterproof battery box. Remote control included with arm belt.Power Fin: 22x26x31cm(8.7"x10.2"x12.2") Control box:29.6x23.1x12.3cm(11.7"x9.1"x4.8"). Lithium battry; molded waterproof control box with LG lithium-ion battery package inside, 10.8V DC, 31.2 Ah. Fire resistant material, Bungee cords attachment, featurs emergency-stop design and switch on/off buttons. Compatible with all aqua marina sup and kayaks with slide-in central fin system. Stylish fin design, TUV Rheinland certified construction with finger guard protection. Full charged in up to 6 hours. Runtime: 2 hours on crusing speed, 4 hours maximum. Please leave note for your special request e. But the items must be back in factory condition. If is item is defective in 3 months, you can return it to us. We will send you a new replacement after receiving the defective item. Please do NOT leave negative or neutral feedback without any contact. The item "12V Battery Driven Electric Fin For Stand Up Paddle Board SUP Surf Board" is in sale since Thursday, April 26, 2018. This item is in the category "Sporting Goods\Water Sports\Surfing\Accessories\Other Surfing Accessories". The seller is "robyco99" and is located in Hongkong. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.