Fangrui Product Details Features: 1. Strong Practicability And Wide Range Of Uses To Stable And Long-term Effect 2. The Back Cover Protection Effectively Resists Dust Environment Overcurrent Protection, Reverse Connection Protection 3. Thermal Design, Stable Output And Long Service Life 4. High Precision, Strong Load, Programmable 5. The Number Of Calibratable Rotation Circles Can Be Set To 1-50 Circles Product Parameters: Product Name: 0-3.3v Voltage Signal Generator Supply Voltage: Dc15v~30v Output Voltage: 0v~10v Load Capacity: Maximum Output Current Of 0.2a Adjustment Accuracy: 0.01v Output Accuracy: 0.01v Display Elements: 4-digit 0.4-inch Digital Tube Working Temperature: -10~60material: Plastic Colour: As Shown Package Contents: 1 X Voltage 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.