The small-sized RC fish simulates a real shark. It has movable Joints that can make show different paths of activity in the water, swimming faster and more flexible. The 2.4GHz transmitter allows you'll never get any radio interference. The waterproof design makes playing without fear and with more fun. Specification: Item Name: Mini RC Shark Model: 18004-1 Color: Blue Main Material: ABS'Electronic Material Scale: 1: 18 Channel: 2 Remote Radio: 2.4Ghz Shark Battery: 3.7V 700mAh Lithium Control Distance: 40m Using Time: 20mins Charge Time: 30mins Controller Battery: 2 * 1.5V AA Batteries (not included) Item size: 33.5 * 14.2 * 9.5cm/13.19 * 5.59 * 3.74in Item weight: 150.6g Package Information: Package size: 20.4 * 15.2 * 11.2cm Package weight: 332g General box packing. Note: * There could be a few deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Packing List: 1 * RC Shark 1 * Controller 1 * Battery 1 * Screwdriver 1 * USB Charger 1 * Manual 2 * Spared Paddles