1Made of high quality material, which is durable and also environmental friendly 2Designed with barochamber that can eliminate air and water to control the submarine rise and fall 3The submarine can sail on the sea or submerge in the sea, and it can also forward, backward, turn left and right, very flexible to operate 4Remote controller operation, with 5 meters of remote control distance when it submerge into the water about 6070cm 5With USB line to charge the submarine, easy and convenient to use Description: This product is a remote control submarine model. Made of high quality material, which is durable and also environmental friendly. Designed with barochamber that can eliminate air and water to control the submarine rise and fall. The submarine can sail on the sea or submerge in the sea. With USB line to charge the submarine, easy to use and flexible to operate. Features: 1. Made of high quality material, which is durable and also environmental friendly.2. Designed with barochamber that can eliminate air and water to control the submarine rise and fall.3. The submarine can sail on the sea or submerge in the sea, and it can also forward, backward, turn left and right, very flexible to operate. 4. Remote controller operation, with 5 meters of remote control distance when it submerge into the water about 60-70cm. 5. The remote controller is well sealed by the rubber ring, this will be waterproof.6. With USB line to charge the submarine, easy and convenient to use. Specification: Condition: 100% Brand New Item Type: RC Submarine Model Material: Plastic Optional Color: Yellow, Blue Submarine Power: 3.7V 100mAH Li-ion Battery(Built-In) Remote Controller Power: 4 x 1.5V AAA Battery(Not Included) Signal Frequency: 27MHZ(Yellow), 40MHZ(Blue) Charging Time: 25-30min Discharging Time: 15-20min Controlling Distance: 5m / 196.9inch( When the submarine submerge into the water about 60-70cm.) Size: Approx. 15 * 4.5 * 6.8cm / 5.9 * 1.8 * 2.7inch Certificates: ROHS, RTTE, EN71,7P, EN62115,EN60825, Package Weight: Approx. 355gPackage Include: 1 x Submarine 1 x Romote Controller((Without Batteries) 1 x USB Line 2 x Insulated Plugs Note:1. Take out the sponge and close lid before using the product, complete charging cycle of the product is 35 minutes, not recommended to charge the product for a long time2.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.