Pulse Oximeter Fingertip W Lanyard 3M Littmann WA Steths Test Time: About 6 seconds Jobst Relief 20 30 Knee Hi Test Time: About 6 seconds * Provides relief from tired aching legs * Reduces mild swelling * Helps improve circulation * Provides continuous relief from tired aching legs and mild swelling * Use gradient technology to help improve circulation and revitalize your legs especially when sitting or standing for long periods of time * Styles available are Knee High Pantyhose and Thigh High * UltraSheer Pantyhose * Fine yarns for a sheer look * Comfortable waistband * Beautiful floral lace French cut panty * Sheer heel and reinforced toe for added durability * Shipping Carton Size: 9 L x 7 W x 5 H 1 lb (including batteries) Display Type LED Display Range: 0 99% Measurement Range: 0 100% Resolution: + 2% for SpO2 Operating Temperature: 41 105¯F (5~40¯C) Storage Temperature: 4 131¯F ( 20~55¯C) Ambient Humidity: 15% 80% in operation Roscoe OTC Fingertip Pulse Oximeter Includes Lanyard * The Roscoe OTC Fingertip Pulse Oximeter allows you to monitor and maintain pulse and oxygen saturation levels on the go * Accurate and fast oxygen level and heart rate measuring technology is ideal for sports enthusiasts during strenuous activities or mountain climbing * Recommended for spot check monitoring only* No prescription required * Approved for over the counter retail sale Large easy to read display * Soft silicone padding for a comfortable fit * One button operation * Up to 30 hours of use with batteries * Auto off function * Low battery indicator * Manual lanyard and two AAA alkaline batteries included * Attractive retail packaging * One year limited warranty Dimensions: 2