1、The most commonly used electrical test instrument for electrical engineering and technical personnel when installing, debugging, overhauling and maintaining electrical equipment on site. 2、Pluggable terminal blocks, safe and convenient wiring. 4 digit HD digital tube, the display brightness is evenly adjustable (1‑8 level brightness). Aluminum knob cap, electroplating button, battery switch. 3、External power supply, DC 5V micro USB, built in lithium battery (only type 1 can lithium battery charge mode). DC 15‑30V external power supply can share the 24V power supply of PLC and other equipment. 4、In the normal operation interface, save a voltage and current value, click the encoder to save, after releasing the OK button, the screen displays "...", indicating that the save is successful. Restart and display the saved value directly. 5、MicroUSB universal interface, can be connected to mobile power, charger, computer USB port, etc. Easy to carry and small in size, it is the best choice for on site debugging. Item Type: Signal Generator Material: ABS + Aluminum Purpose: Signal Generator Colour: Black Model: SG-002 Voltage Output:12V Current Output: 0-24mA Battery Type: Lithium Battery (Built In Battery) Battery Model: 3.7V 1100mAh Lithium Battery Nominal Battery Capacity: 1100mAh 1 x Signal Generator