1、Electrical Test Equipment: This current voltage signal generator is the most common electrical test equipment used by electrical engineers for installation, commissioning, overhaul and maintenance of electrical equipment on site. 2、Wiring Safety: The generator has pluggable terminals and a current output of 0 to 24mA, making wiring safe and convenient. 3、Multiple 4 Digit Display: The signal generator has a 4 digit HD digital tube with evenly adjustable display brightness (1 to 8 levels of brightness). 4、Rechargeable: The signal generator is rechargeable via the MicroUSB universal interface and can be connected to mobile power supplies, chargers, computer USB ports, etc. 5、Operation Setting: This signal generator saves a voltage and current value in the normal operation interface, click on the encoder to save, release the OK button and the screen will display ... to indicate a successful save. The saved value is displayed directly after reboot, so you don't have to adjust the parameters every time you switch on the machine. 6、Easy To Carry: The signal generator is easy to carry and small in size, making it the best choice for on site commissioning. 1 x Signal Generator Item Type: Signal GeneratorMaterial: ABSModel: SG002Colour: BlackVoltage Output: -12V to +12VCurrent Output: 0 to 24mAAdaptable Battery: 3.7V lithium battery (Not included)