Features: brand new and high quality It is suitable for models with differential mixing of two brushless motors (one left and one right), such as brushless trenching boats, netting boats, etc. It can realize constant speed cruise/fnon-constant-speed cruise control, and the operation is simple. Overcurrent for protection function to prevent the motor from burning due to stalling, winding and other reasons. Widely used in nesting boats, pulling net boats, remote control boats, speedboats, lifeboats, remote control for cars, remote control tanks, etc. It is easy to replace and can be used as maintenance accessories, DIY fishing boats, and traditional fishing boats to upgrade. Specifications: Material: ABS Style: Gyroscope/Non-Gyroscope Motherboard Size: Approx. 22x49mm/0.87x1.93inch Remote Control Size: Approx. 139x45mm/5.47x1.77inch Frequency: 2.4G Channels: 8 Channels Package Includes: 1x Remote Controller 1x Receiver Board 1X Antenna note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.