18650 Battery 3.7V 3600mAh footwear Sidewinder is waterproof to 1m Kleur:Everglade Sidewinder is waterproof to 1m for 30 minutes and impact resistant up to 3m SUPER EASY INSTALLATION JUST PLUG&PLAY 7 Volt (1 Cell) Charging current (max 3 Wh Weight: 49 g Shipping weight: 49 g