Features: brand new and high quality For WPL Full-Proportional Circuit Board: for WPL series B14 B14K B16 B16K B24 B24K B36 B36K C14 C14K C24 C24K C34 modification 1:16 RC toys. For WPL Half-Proportional Circuit Board: for WPL series B14R B24R B16R C14R C24R half-proportional modification 1:16 RC for cars. For D12 Original Circuit Board: for D12 circuit board replacement. Easy to Assemble: The RC replaceable PCB is easy to assemble, make all the wire to connect with the right devices of your RC car, durable with wear resistant, which is also stable and lasting the rc toys performance, we'd like to offer instructions if any further requirement. Upgrade Modified DIY Parts: Upgrade circuit board modified parts, highly sensitive with more quickly response even under far distance with good performance,fit for RC KIT version & full scaled RC for cars. Specifications: Net Weight: approx. 18g/0.04 lbs Product Size: approx. 4.7 x 3.2cm/1.85 x 1.26 inch Type Option: A(WPL Full Proportion Circuit Board)/B(WPL Half Proportion Circuit Board)/C(D12 Original Circuit Board) Material: Plastic, Electronic Components Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: Type A: 1 x WPL Full Proportion Circuit Board Type B: 1 x WPL Half Proportion Circuit Board Type C: 1 x D12 Original Circuit Board