100% brand new and high quality Features: 2 motors, using differential corners, ideal for DIY foam boats, model tanks Launch board: 2.2V - 4.5V, (2-3 sections 1.2V lithium battery or 1.5V dry battery) Receiving board: 3.6V - 10V (3-8 cells of 1.2V lithium battery or rechargeable battery for toy cars 4.8V - 7.2V) Distance: 100 meters Frequency: High-frequency 2.4G, it is not necessary to use multiple serial signals at the same time Power: High-power receiving board integrated motor drive chip MOS tube drive efficiency, power saving, Not transistor drive. Remote control frequency: high frequency 2.4G Dimensions: Launch board: 3x8cm/1.18x3.15inch Receiving board: 2.8x3.2cm/1.1x1.26inch Battery case: 3.3x6cm/1.3x2.36inch Color: As shown Quantity: 1 Set Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Remote Control Receiver Module Kit