MANUFACTURE: CONTEC MEDICAL SYSTEMS CO.,LTD Model: Digital Lung Volume device Spirometer SP70B Introduction SPIROMETER is a hand-held equipment for checking lung conditions, it adopts the infrared mode for measuring relative items, and is applicable for hospital, clinic, family for routine test. Features Parameters including FVC, FEV1, FEV1/FVC and PEF can be measured. Personal information setup, including height, age, gender, etc. Health status indication. Bluetooth transmission. Data memory and case review function. Low battery indication. Real-time clock display and setup. Automatic power off function. Mass storage device, stores up to 9999 cases. Performance Volume range: 0?10 L Flow rate range: 0 L/s?16 L/s Volume accuracy: 3 ? or 0.05 L (whichever is greater) Flow rate accuracy: 5 ? or 0.2 L/s (whichever is greater) Safety classification: internally powered equipment, type BF applied part Working current: 80 mA Power supply: two AAA batteries Accessories 1)A User Manual 2)A mouthpiece (disposable) 3)A nose clip (optional) Physical characteristic Dimension: 138 mm(L)63 mm(W)47 mm(H) Weight: 130g (with batteries) Buy safe products : The following FDA Disclaimer is required for all eBay listing in Healthcare category and is included for REFERENCE: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, we will verify your status as an authorized purchaser of this item before shipping of the item. FDA K Number CMS50C Pulse Oximeter Premarket Submission Number(510K): K073454 Listing Number: D045684 CMS50D/L/DL Pulse Oximeter Premarket Submission Number(510K): K082641 Listing Number: D064765 Sonline A/B,Baby Sound A/BPocket Fetal Doppler Premarket Submission Number(510K): K082480 Listing Number: D072247 CMS50E,CMS50F,CMS60C,CMS60D , Pulse Oximeter Premarket Submission Number(510K): K090671Listing Number:D078664, ,ECG80A ECG machine Premarket Submission Number(510K): K090936 Listing Number: D081157 PLEASE NOTE: DELIVERY WITHIN 2-8 WEEKS AS MOST OF THE ITEMS ARE COMING FROM ABROAD. IF FOR ANY REASON I CANNOT SHIP TO YOUR LOCATION, I WILL CANCEL WITHIN 24 HOURS. PLEASE NOTE: DELIVERY WITHIN 2-8 WEEKS AS MOST OF THE ITEMS ARE COMING FROM ABROAD. IF FOR ANY REASON I CANNOT SHIP TO YOUR LOCATION, I WILL CANCEL WITHIN 24 HOURS.