Product Description: Model: EH19 Application: Finger Item Type: ECG Scanner Name: komwell: CES Support: Wireless 4.0, iOS, Android Working Voltage: DC3.7V (Free Battery) Lifespan: 5 years Working Humidity: 10%- 95%RH recording time: 30S-5 minutes Accurate conclusions and results about this product High-precision filtering technology to truly restore the ECG/ECG waveform. Provides accurate monitoring with the same precision as professional, clinic and hospital equipment. The device sensitivity and data accuracy are higher than traditional 24-hour Holter monitors. No Subscription Fees Convert complex EKG/ECG data into understandable heart rhythm reports with lifetime free app "SnapECG", unlimited storage of all your EKG/ECG records without any subscription fees. Download the APP by scanning the QR code on the package. It supports IOS 9.0 or higher and Android 4.3 or higher. Convenient Heart Monitoring This portable EKG/ECG recorder captures medical-grade ECG in 30 seconds anytime, anywhere without the need for additional ECG electrodes and other consumables. Compact and durable, comes with a built-in battery, perfect for taking with you at work or travel in case of an emergency. Cardiac conditions requiring on-site evaluation. Convenient for the elderly to use at home. The coin cell battery provides 48 hours of precise, continuous monitoring. Save and Share Your Data The handheld heart rate monitor features an app-based service that allows you to share EKG assessment results with your doctor in real time, without limitations and at no additional cost. Download the ECG report in PDF or image format according to your preference. Product Description SnapECG handheld monitor product function - preliminary screening, capturing abnormal information for reference. -Assess your normal heart rate and heart rhythm trends. - Professional ECG monitoring, simple operation, allowing everyone to complete ECG assessment easily. - Record anytime, anywhere. Easy-to-access mobile cloud backup. - Lifetime free app "SnapECG" supports IOS 9.0 and Android 4.3 or higher. - Accurate and continuous monitoring for 48 hours. Product size: 83mm35mm 3.5mm Product weight: 14g Medical precision - Lead: single lead - Measurement time: 30 seconds - Working humidity: 10%~95%RH - Working temperature: +10~+45 degrees Celsius - Sensitivity (gain) : 5mm/mV (X0.5); 10mm/mV (X1); 20mm/mV (X2); error range +-10%- Scanning speed: 12.5/25/50mm/s (error range +- 10%) - Accuracy: +-1bpm/+-1%, whichever is higher Memory Capacity: Unlimited Cloud Storage Recording: Automatic recording of measurement results, ECG data storage and playback Battery: Requires one CR1620 battery, package includes 1 *CR1620 battery. Packaging contents: ECG recorder x 1 button battery x 1 travel bag x 1 welcome guide x 1 card x 1 certificate x 1 self-adhesive bandage * 1 Note: - Directly open the App for automatic Bluetooth pairing (see the listing picture for details). No need to connect Bluetooth through system settings. - Keep your emotions stable and your breathing smooth. It is best to capture the ECG trace while sitting down. Do not move the device or shake your body during measurement. - Please make sure there are no high-power electrical appliances around to avoid interference from other electromagnetic waves.