Feature:1. Adopts oscillographic step-down measurement, assures reliable and high accuracy results.2. The pulse rate also can be detected simultaneously while blood-pressure is measured.3. With high-definition large LCD display screen, convenient for you to read the data clearly.4. Voice broadcast function, easy to get the results without viewing the digital screen.5. Supports two-person data storage (99 groups of data each), more convenient to use.6. Adjustable armband, suitable for most persons, comfortable and easy to wear.7. Powered by 4 * AAA-batteries (not included), low Powers consumption.8. One-click simple operation, just press the button to test, suitable all types of people.9. Compact size and light weight with a storage bag, convenient to store and carry.Specification:Features:Adopts oscillographic step-down measurement, assures reliable and high accuracy results.The pulse rate also can be detected simultaneously while blood-pressure is measured.With high-definition large LCD display screen, convenient for you to read the data clearly.Voice broadcast function, easy to get the results without viewing the digital screen.Supports two-person data storage (99 groups of data each), more convenient to use.Adjustable armband, suitable for most persons, comfortable and easy to wear.Powered by 4 * AAA-batteries (not included), low Powers consumption.One-click simple operation, just press the button to test, suitable all types of people.Compact size and light weight with a storage bag, convenient to store and carry.Specifications:Model: KWL-B02Material: ABSWorking Voltage: D C6VPowers-Supply: 4 * AAA-Batteries (Not Included)Display Mode: LCD Digital DisplayInflation Mode: Automatic InflationMeasurement Method: Oscillographic Step-Down MeasurementFast Exhaust Mode: Eletronic Vent ValveMeasurement Arm Circumference: 22-32cmAir Leakage Device: Vent ValueBlood-Pressure Measurement Range: (0-280)mmHgAllowable Error: ±3mmHgPulse Measurement Range: (40-199)Beats/MinAllowable Error: ±5%The Results Showed That: High Pressure/Low Pressure/Heart RateMemory Group Number: 99 Pair of Measurement Results MemoryOperationg Environment: Temperature: 5~40; Relative Humidity: ≤80%RH; The Atmospheric Pressure Ranges from 70kPa to 106kPaStorage Temperature: -20~+55; Relative Humidity ≤90%RHThe Atmospheric Pressure Ranges: 50kPa~106kPaItem Size: 159 * 100 * 39mm / 6.26 * 3.94 * 1.53inHost Weight: 218g / 7.69ounces (Excluding Batterys)Package Size: 174 * 110 * 84mm / 6.85 * 4.33 * 3.31inPackage Weight: 450g / 15.87ounces (Excluding Batterys)Note:1.This product has no backlight function.2.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.3.Please allow a little measuring deviation due to manual measurement.4.Please read the user manual carefully before you use the product.Package List:1 * Sphymomanometer1 * Arm Band1 * Manual1 * Storage BagPackage List:1 * Sphymomanometer1 * Arm Band1 * Manual1 * Storage Bag