This model capable of delivering exciting playing experience is an astounding gift for rotor engine enthusiasts, a desktop power toy and can be applied in various RC model scenarios. More applications are waiting to be developed by you who own superior hand dexterity. Note: Not include starter ignition accessories, please purchase seperately. The product is not only a toy commanding your technical and manipulative abilities. Please carefully operate the machine to eliminate the damage and danger. Model: L200AC1-OT Engine Type: Nitro Internal Combustion Engine Model Form: KIT Displacement: 7 (3.5x2)cc Cylinder: in-line twin cylinder Itinerary: Four strokes Displacement: 3.5ccx2 Piston diameter: 16.6mm Piston stroke: 17.0mm Speed: 4000-16000rpm Cooling method: air cooling Lubrication method: mixed oil lubrication Start mode: electric Fuel Type: 25-30% Nitro Fuel Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use Colour:Red&Black Material:Metal Package Contents: 1 x Engine Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.