1. Automatically detect the Zener diode 0.01-20V. 2. Self-test and automatic calibration. 3. Support infrared encoding. 4. Infrared waveform display. 5. Infrared receiving indication. The measurement results are displayed in TFT graphics. One-click operation. Automatic shutdown (timeout setting). Built-in high-capacity rechargeable lithium-ion battery. Lithium-ion battery voltage detection. Capacitance:25pF-100mF Resistance:0.01-50Mohm Inductance:0.01mH-20H Battery:0.1-4.5V Weight:. 121 g/4.3 oz Colour:White Material:ABS Package Contents: 1 * Transistor tester 1 * Data cable 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.