Features Features: Self-test with automatic calibration. Support infrared coding. Infrared waveform display. Infrared receiving instructions. A full-color display multi-function test instrument that can measure triodes, diodes, resistors, capacitors, inductors, thyristors, field effect transistors, regulators, dual diodes, light emitting diodes, infrared decoding. Can measure voltage, built-in li battery, long battery life Specification: Main color: blue Scanning range: 0.1MHz Voltage: 3.7 V Display: 160 x 128TFT Battery: 1 x li ion battery, 3.7v, 300mA Weight: Approx.115g/4.1oz   Features: Automatic detection of zener diode 0.0130v. Self-test with automatic calibration. Support infrared coding. Infrared waveform display. Infrared receiving instructions. The measurement results are displayed by TFT graphic. A key operation. Automatic shutdown (timeout setting). Package list: 1 x Transistor tester 1 x USB cable. 1 x Red and yellow green contact wires. 3 x contact pins 2 x capacitance Package List