1、CONVENIENT AND HANDHELD: Handheld digital signal generator, support 3 power supply mode, more convenient to use 2、WIRING AND OUTPUT: The signal generator supports voltage and current adjustment switch with one key, and adopts independent wiring to synchronize output 3、SAFETY PROTECTION: The output of the signal generator has short circuit protection, the power supply has reverse connection protection, safe and reliable 4、STABLE AND CONVENIENT: The signal generator adopts pluggable terminal, support easy installation, stable performance, easy to carry 5、FLEXIBLE AND ADJUSTABLE: The signal generator supports two modes of coarse and fine tuning, adjustable winding number can be set, easy to operate 6、4 DIGIT DISPLAY: The signal generator is equipped with a 4 digit highlighting digitizer, which supports high accuracy adjustment and can calibrate the output 1 x Current Signal Generator1 x USB Charging Cable4 x Jack Test Crocodile Clip 4 x Jack Test Crocodile Clip Socket1 x Screwdriver6 x Terminal1 x User Manual Item Type: Current Voltage Signal Generator3 Power supply methods, charging with mobile phone charger, charging bank or external 24V: External power supply DC15-30V, Power: 1W(not charged) or 4W(charged)External microUSB-5V, Current: 0.2A(not charged) or 1A(charged) 1. The voltage output is adjustable from 0-10V, and the accuracy after calibration is 0.05V. Maximum current 22mA 2. The current output is adjustable from 0-22mA, and the accuracy after calibration is 0.05mA. Current sampling resistance is not greater than 500ohms 3. Digital tube display 4 digits, two decimal places 4. Encoder knob 1 turn pulse count 20