High-quality main board for RC fishing boat. Used to control GPS RC fishing boat. Great replacement part for 16 point GPS remote control fishing boat. Compatible with D16B / D18B / D16E / D18E fishing bait boats. Note: The layout of the main board may vary between production batches, but this does not affect functionality. Cable length: 20cm / 7.9in Dimensions: 6.9 x 5cm / 2.7 x 2in Weight: 35g / 1.2oz Product appearance may vary slightly due to different production batches, but this does not affect performance. Color: Blue Material: PC Package contents: 1 x Main Board for RC Fishing Boat Only the above items are included; other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.