Feature:1. Generate ampere and voltage by one module.2. Voltage output: 0-10V, precision is 0.01V.3. Current output: 0-22mA, precision is 0.01mA.4. Built-in 1100mAh rechargeable battery, more flexible to use.5. Press the knob to save the setting output value.6. Clear 4-digit LED digital display screen.7. Power supply: USB-5V or external power DC 15-30V.8. Simple and handy to operate with aluminium alloy knob.9. Super compact and lightweight, easy to carry around.Specification:Features:Generate ampere and voltage by one module.Voltage output: 0-10V, precision is 0.01V.Current output: 0-22mA, precision is 0.01mA.Built-in 1100mAh rechargeable battery, more flexible to use.Press the knob to save the setting output value.Clear 4-digit LED digital display screen.Power supply: micro USB-5V or external power DC 15-30V.Simple and handy to operate with aluminium alloy knob.Super compact and lightweight, easy to carry around.Specifications:Material: Plastic + Aluminium AlloyType: with/ without Built-in Battery (Optional)External Power: DC 15-30VPower:without Built-in Battery: 1Wwith Built-in Battery: 5WVoltage Output: 0-10V, Precision: 0.01V, Max. Current: 20mACurrent Output: 0-22mA, Precision: 0.01mAScreen: 4-digit LED Digital DisplayBuilt-in Battery: 3.7V 1100mAh Lithium BatteryItem Size: 70 * 90 * 27mm / 2.8 * 3.5 * 1.1inItem Weight:with Built-in Battery: 111g / 3.9ozwithout Built-in Battery: 90g / 3.2ozPackage List:1 * Signal GeneratorPackage List:1 * Signal Generator