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__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.