Blade BLH7701 Main Control Board $111.95 In stock Quantity: Blade BLH7701 Main Control Board quantity Add to Cart Save SKU: 605482559499. Category: RC Helicopter Parts. Tags: helicopter, Parts, Radio Control. Blade Description Additional Information Brand Description Main Control Board: 200 QX Additional information Weight 0.1 kg Dimensions 10 × 10 × 2 cm Brand Blade