ItemNo:A1 Color:Blue Age:14and Power System Motor:Double motors Transmitter Frequency: 2.4G Channel: 4CH Remote Distance:About 50m Battery:2X 1.5V AA(not included) Battery for the Boat: 3.7V 380mAhLi-ion battery(included) Charging Time:About 70 minutes Using Time:About 12 minutes Material:ABS and electronic components Boat Size:21x15.5x9cm Fan Blade Diameter (cm): 5.5 cm Box Size:30.5x20.5x14.7cm Weight Boat Weight:Approx.188g(including the battery) Remote Controller Weight:Approx.99g Packaging Box Weight:Approx.644g Features: 1.4 channels, with LED lights, gyroscope calibration. 2. Basic functions such as forward, backward, turn left, turn right, etc. 3. Land mode: Can be controlled on land (ice surface). 4. Surface mode: can be controlled on the water. 5.Dual motors,powerful high speed engines. 6.Twin-screws design,water induction switch for fan. 7.Highly faired hull and sealed waterproof design. 8.Low voltage warning,air cushion with high resistant rubber. Packageincluded: 1X RC Boat(included the boat battery) 1X Transmitter 1X USB Charging Cable 1X Manual 1X Screwdriver. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.