Accessories and Parts -Radio System Transmitter Controller 2 Highlights Generic Brand Radio System Transmitter Controller 2 Description: It is suitable for DIY upgrade and modification of vehicles, ships and boats. chariots. Made of high quality plastic material, solid and durable. 2.4G technology, strong anti-interference ability. Customers must bring their own 4 AA batteries. Out of control protection function, to prevent loss due to loss of control, please refer to the instruction manual for the specific setting method. Specification: Material: Plastic Type: Receiver and Transmitter Combo Age Level: 17+ Size Chart: Remote Control: 113 x 70 x 190mm/4.4 x 2.8 x 7.5in Receiver: 32 x 18 mm/1.3 x 0.7 inch Package includes: A: 1 piece remote control + 1 piece (3+1 channel signal) receiver + 1 piece frequency line + 1 piece manual B: 1 piece remote control + 1 piece (signal 3+1 channel) receiver + 1 piece lithium battery + 1 piece frequency cable + 1 piece manual C: 1 piece B4 remote control + 1 piece 160A ESC + 1 piece (3+1 channel signal) receiver + 1 piece frequency line + 1 piece manual D: 1 receiver (3+1 channel signal) Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. THANKS! 3. Wish you have a wonderful online shopping!