Remote Radio: 2.4 Ghz<br> Boat Battery: 7.4 V 800 mAH Lithium Battery<br> Control Distance: 200 meters<br> Max Speed: 70 km/h<br> Running Time: about 20 mins<br> Charge Time: 120 mins<br> Controller Battery: 3 * 1.5 V AA Batteries (not included)<br>