Features: 1. The submarine can move forward, backward, left, right. 2. Simulated design reflect the superior performance of a real submarine. 3. Infrared signals are not disturbed. It is safer to play without power or water. 4. Built-in rechargeable battery can be charged directly by remote controller, convenient to use. 5. Intelligent toys is able to practice children's intelligence quotient and exercise their manual ability. 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. Specification: Item Type: Submarine Toy Material: Plastic, Metal, Electronic Components Frequency: Black 27MHZ/ Green 40MHZ Battery Capacity: 3.7v /100mah li-ion Battery Voltage: 3.7v Battery Charge Time: 15 minutes Remote Control Battery: 4 * 1.5 AA (Not Included) Color: Green, Black (Optional) Size: Approx. 15 * 6.8 * 4.5cm / 5.9 * 2.7 * 1.8in Weight: Approx. 266g / 9.38oz Remote Control Mode: left hand front and back, right hand left and right Remote Control Distance: 5 meters when diving 60-70cm Endurance: 23-25 minutes Channel: 6 Recommended Age: Above 8 Years Old Package list: 1 * Submarine Toy 1 * Remote Control 1 * Instruction 1 * Antenna Note: 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.