eSmart Rc Radio Remote Control Mini Electrical Shark Fish Kids Water Game Toy Children Gift (Black White Stripes) It's mini electrical shark submarine.You'll be attracted by its lifelike body and ways of swimming.It can swim forward,turn left and right,and its dorsal fin over the water surface just like the real shark,you can place it into your aquarium or fish tank,chasing the real fishes or tortoises as you like. size:9.5 x 4 x 3.5cm battery(inside the shark):3.7V 70mAh battery Charging time:5--8 minutes remote control distance:2--5m Packaging size:26.5 x 24.5 x 7cm Suitable age: 8+