HOLFENRY specializes in reliable home health monitoring tools, offering products like pulse oximeters, blood pressure monitors, and hearing amplifiers for all ages.
HOLFENRY is a trusted brand committed to providing convenient and accurate home health monitoring solutions. Manufactured by Zhuhai Hefang Intelligent Technology Co., Ltd., the brand's product lineup caters to both adults and children, emphasizing ease of use and reliability.
Popular HOLFENRY products include fingertip and handheld pulse oximeters, digital forehead thermometers, home blood pressure monitors, and personal hearing amplifiers. Browse our repository for official user manuals, setup guides, and quick reference materials to ensure you get the best performance from your HOLFENRY home health care investments.
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Open the battery compartment on the back, insert two AAA batteries matching the correct positive and negative polarities as marked in the compartment, and securely close the cover. Do not depend on the spring direction alone.
The pulse oximeter measures data in real time. Because your body's oxygen saturation naturally changes dynamically, minor fluctuations over time are completely normal. Ensure your finger and body are kept still during the measurement for the most accurate reading.
You can view and download comprehensive user manuals, specification sheets, and operating instructions for HOLFENRY medical monitors right here on our platform.
Use a soft cloth dampened with a mild, non-abrasive cleaner or 70% isopropyl alcohol to gently wipe the surface. Ensure no liquid enters the device and never soak or submerge the oximeter in water.