Easy ECG Monitor is designed for home use with the purpose of health care、  and is suitable for users who may suffer from cardiovascular disease、  such as hypertension、 diabetes、 coronary heart disease etc. It can be used to check their heart conditions regularly、  and the stored ECG records can be used as a reference for clinical ECG examination.    Features:   1. PC-80A is a compact、 portable handy device for patients (or professionals)        to record 30 seconds of ECG data anytime or anywhere、 comfortably、 with or without electrodes.   2. Its large、 high resolution LCD display gives clear、 easy to read results        and is suitable for use in hospitals、 clinics、 health centres、 nursing homes、        residential homes、 offices etc.   3. It gives accurate and reliable readings at your most convenience        if it is for private use.   4. It is also cost effective to health professionals as patients are screened        and filtered at this stage before referring them to hospitals.   5. If you have any questions or concerns in any of the ECG records、       you can capture the recording and mention it to your health professionals for advice.    6. Data can be transferred to PC、 laptop etc. should it need to be shown        and analysed further by health professionals.   7. A cable for data transfer plus the ECG waveform viewer software CD       are also included to aid you a hassle-free transfer.    8. In addition to this、 a manual with picture illustrations       is enclosed to walk you through the process.       Description:     Brand name: Heal Force     Model: PC-80A     1. Display     Display mode: Color LCD display     Screen size: 240 X 160mm             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%     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) Palms (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 X 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