describe: Product description: How to operate the hemoglobin tester? The system consists of a portable meter that analyzes the intensity and color of light reflected from the reagent area of the test strip, ensuring fast and accurate results. The Hb Hemoglobin Test System provides results in less than 15 seconds and requires only one drop of whole blood. The meter can store up to 1000 results. The meter can be powered by 3 AAA (1.5V) batteries. It is designed for the quantitative determination of hemoglobin (Hb) and calculation of hematocrit (HCT) in capillary and venous human whole blood. The system is intended for in vitro use in Clinical situations, such as anemia, by medical examiners and healthcare professionals (in vitro diagnostic use). To ensure accurate results: read directions and complete any necessary training before use. Use the code chip included with each box of test strips. Use our hemoglobin test strips only with Hb hemoglobin meters. For in vitro diagnostic use only. For professional use only. Only whole blood samples are tested. EDTA or heparin anticoagulants can be used. Please keep this product out of the reach of children. Packing list: 1 HB instrument, 1 manual, 1 storage bag, 1 password chip, blood collection needle, blood collection needle*25pc, test paper*25pc PS: About Shipping: All items will be shipped within about 2 days from the date you place the order, in most cases, you will receive the package within 7-22 days. Exact delivery times are subject to availability. If you have any questions or concerns, please feel free to contact us. We will give you a satisfactory answer, thank you for your cooperation Thanks