AlphaTrak3 Control Solution for Blood Glucose Monitoring, 4ml x 2 bottles For single use only Opened March 2025 Expiration Date: April 7, 2026 The control solution is a red liquid containing a fixed amount of glucose. The control solution test is used to verify the proper function of the glucose meter and test strips. The measured value must be within the range specified on the test strip container. It also allows you to confirm the measurement procedure without using blood. - Brand: AlphaTrak3 - Contents: 4ml x 2 bottles - Purpose: Control solution for blood glucose monitoring Selling price: 5500 yen, reduced to 3000 yen We apologize, but we are unable to negotiate the price.