With its mini size, this submarine is very portable and convenient to carry away, suitable for indoor and outdoor activity. Besides, this boat is a intelligent toy, a perfect gift for children to improving their learning ability. _x000D_ _x000D_ Features:_x000D_ 1. The submarine can move forward, backward, left, right. _x000D_ 2. Simulated design reflect the superior performance of a real submarine._x000D_ 3. Infrared signals are not disturbed. It is safer to play without power or water._x000D_ 4. Built-in rechargeable battery can be charged directly by remote controller, convenient to use._x000D_ 5. Intelligent toys is able to practice children's intelligence quotient and exercise their manual ability. _x000D_ _x000D_ Specification:_x000D_ Item Type: Submarine Toy_x000D_ Material: Plastic, Metal, Electronic Components_x000D_ Frequency: Black 27MHZ/ Green 40MHZ_x000D_ Battery Capacity: 3.7v /100mah li-ion_x000D_ Battery Voltage: 3.7v_x000D_ Battery Charge Time: 15 minutes_x000D_ Remote Control Battery: 4 * 1.5 AA (Not Included)_x000D_ Color: Green, Black (Optional)_x000D_ Size: Approx. 15 * 6.8 * 4.5cm / 5.9 * 2.7 * 1.8in _x000D_ Weight: Approx. 266g / 9.38oz_x000D_ Remote Control Mode: left hand front and back, right hand left and right_x000D_ Remote Control Distance: 5 meters when diving 60-70cm_x000D_ Endurance: 23-25 minutes_x000D_ Channel: 6_x000D_ Recommended Age: Above 8 Years Old_x000D_ _x000D_ Package list:_x000D_ 1 * Submarine Toy _x000D_ 1 * Remote Control_x000D_ 1 * Instruction_x000D_ 1 * Antenna _x000D_ _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1The submarine can move forward, backward, left, right. 2Simulated design reflect the superior performance of a real submarine. 3Infrared signals are not disturbed. It is safer to play without power or water. 4Built?in rechargeable battery can be charged directly by remote controller, convenient to use. 5Intelligent toys is able to practice children's intelligence quotient and exercise their manual ability.