Check the listing for details. Handheld Positive And Negative Voltage ±0-10V5V Current Signal Generator Process. Condition: New. Listed at 60.99 USD. Ultra-thin, non-slip, comfortable to the touch Frosted surface, not easy to produce scratches The upper and lower covers are tightly seamed Terminals: High-quality environmentally friendly copper slotted screws, not easy to slip Black is beautiful and generous output signal: The voltage adjustable range is increased from -10V to +10V, which is suitable for more debugging fields Software features: Increase the shortcut output mode to facilitate rapid production testing Material: ABS Color as shown Package Contents: 1 x signal generator kit 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.