Specifications: Measuring range: Pressure: 30 to 280 mmHg (in 1 mmHg increment), Pulse: 40 to 199 beat/minute, Static accuracy: Pressure: +3mmHg Pulse: +5% of reading, Measuring resolution: 1mmHg, Rated Power: Input AC200V-50/60Hz Output DC6V, Power: 1.5V AAA size batteries 4 (Alkaline batteries), Operation temperature: 5~40°C/41-104°F , Operation Humidity: 15%-85%RH maximum, Storage temperature: -20~+55°C/-4~ +131°F, Storage humidity: 10%~95%RH maximum, Dimensions: 173x91x49-1.0 mm, Weight: 425g+5g (including batteries and cuff), Cuff pressure display range: 0-290mmHg/0-38.7kPa.
