Cart Remove item Thumbnail image Product Price Quantity Subtotal × ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator R312 ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator quantity R312 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal R312 Shipping Courier Delivery: R75 Shipping to Gauteng. Change address Country / region Select a country / region… South Africa State / County Select an option… Eastern CapeFree StateGautengKwaZulu-NatalLimpopoMpumalangaNorthern CapeNorth WestWestern Cape City: Postcode / ZIP: Update Total R387 Proceed to checkout