Description Model:Heng Long 3810 Material:Plastic and metal Power System ESC: Brush Charge:Included Control way:Radio control Transmitter Frequency: 2.4G Channel: 4CH Battery:Li 7.4V 1800Mah Transmitter battery:3x1.5AA(not included) Using time:30min Charging time:240min Control distance:50+m Max speed:10km/h Size:60*23*45cm Package:63*32.5*23.5cm Description This RC boat is an entry-level RC model that most players would love to have in this hot summer. It has a flat, streamlined shape, it can run swiftly in the water for a high speed. With the built-in 7.4 1800mAh lithium-ion battery, your boat can continuously for 8 minutes. Featrue: Function: forward / backward, turn left / turn right, as well as Water spray. Left and right hand automatic switching function, no matter what you are doing, can be very convenient to manipulate it. 50m remote control distance, even if you're far away, you can control it. The remote control has 2.4G, so you can quickly get the information you need. Package Included: 1 x RC Boat ( Battery Included ); 1 x Transmitter; 1 x Charger; 1 x Antenna; 1 x Bracket.