Description:Basic informationBrand:WltoysItem No:WL916Color:Black - Max Speed:55-60km/h - Power System - Motor:2212 external rotation brushless motorTransmitterFrequency: 2.4GChannel:2CHRemote Distance:150m - Required Battery:4X 1.5V AA battery(not included)Battery - Battery for ...Description:Basic informationBrand:WltoysItem No:WL916Color:Black - Max Speed:55-60km/h - Power System - Motor:2212 external rotation brushless motorTransmitterFrequency: 2.4GChannel:2CHRemote Distance:150m - Required Battery:4X 1.5V AA battery(not included)Battery - Battery for the Car:2/3X(11.1V 1800m - Ah 45C Lipo battery)(number is chosen by yourself)One Battery Charging Time:About 3.5 hours - One Battery Playing Time:Approx.5 minutesOtherMaterial:PA +electronic parts - Flight Weight:About 538.6g(without battery)Packaging Weight:Approx.1460gDimensionBoat Size:46.7*14*13cm - Box Size:51.8*14.2*22cm Features:Function:Full proportional forward and backward, left and right steering functions, large and small rudder volume adjustment, left and right steering fine-tuning adjustment, capsize recovery, electronic water cooling system, low voltage alarm. Cool lighting - Cool shape, driving speed about (60KM/H)High-speed brushless motor and brushless ESC with water-cooled heat dissipation, abundant power, longer life, mo