A minimum total purchase amount of QR50.00 is required to checkout. Product Price Quantity Subtotal × Motor Test IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module QR6.00 Motor Test IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module quantity Quantity QR6.00 Update cart Coupon Discount Cart totals Subtotal QR6.00 Total QR6.00 Proceed to checkout