Material: Aluminum alloy colour: Random Color Note: Random color, don't accept the specified color. Package Contents: 2 set x signal generator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Signal Generator Voltage output: -10V~+10V, accuracy 0.01V, easy to debug forward and reverse; Current output: 0-22mA, accuracy 0.01mA, error 5% can be calibrated. Signal Generator Built-in 3.7V 1000mAh lithium battery, easy to use, and has a power indicator. Analog Generator is a full-featured, highly practical, cost-effective handheld Function Generators developed for people in the maintenance and industries,it can be used for PLC and panel debugging, device testing, frequency converter and . After use, press the knob to save, and time the machine is turned on, it will still be the value stored manually last time. It is easy to use, not afraid of confusion, and easy to debug. 4-20mA Signal Generator One-key switching of voltage and current, wiring, simultaneous output, output with short circuit protection, power supply with reverse connection protection,Store the power-on output value when power off. Upgrade the multifunctional mini handheld digital Signal Generator. Using high-grade aluminum alloy knob, ultra-thin frosted non-slip shell, light and portable, it can be used for PLC and panel debugging, continuous speed regulation of servo motor forward and reverse, equipment testing, frequency converter, etc.