Product Description Specification: 1.Display - Display Mode: Color LCD display - Screen Size (mm): 240*160 2.ECG Measurement - The number of measuring channel: Single channel ECG signal - Electrodes: 3 embedded metal electrodes or 3 adhesive ECG pads connected to the connector of the device with lead wire - Heart Rate Range: 30-240bpm - Heart Rate Accuracy: ±2bpm or ±2%, whichever is greater - Display Scale: 5mm/mV ±10% - Common-mode rejection ratio (CMRR): ≥60dB - Wave Form Sweeping Speed: 20mm/s±10% - Measurement Modes: the detecting ECG signal can be detected by the following lead selection: 1) Palm (both hands on unit) 2) Chest (right hand and chest) 3) Leg (right hand and left leg) 4) ECG lead wire 3.Power - Power Supply: 2*AAA alkaline batteries - Supply voltage range: 2.7-3.3VDC - Max average working current: ≤50mA - Auto power-off: 35s±5s (without operation) 4.Classification - The type of protection against electric shock: Internally powered equipment - The degree of protection against electric shock: Type B appiled parts - The degree of protection against harmful ingress of liquid: Ordinary equipment without protecting against ingress of liquid - Electro-magnetic Compatibility: Group I, Class B 5.Data Memory - Up to 10-hour data records can be saved in the built-in memory - Stored data records can be uploaded to the computer by data cable 6. Operating environment: - Operating Temperature: 5°C-40°C - Operating Humidity: 30%-80% - Atmospheric pressure: 70kPa-106kPa 7. Bluetooth transmission -Measurement results transmission to PC for future review and analysis. -Synchronous detection data for device and PC or Android Energy saving technology - Power supply management function, for 1 minutes automatic shutdown without signal -Support prompted the battery Detailed Images