Submarine Battery: 3.6V 120mAh NI-MH Battery (built-in). Submarine size: 4.9x1.4x1.8in /12.5x3.5x4.5cm. Submarine Weight: 0.55lb/0.25kg. SUITABLE: Suitable for bathtub, pool, pond playing. FUNCTION: Forward, backward, turn left and right, floating, diving, with 2 LED light.
