Feature: Automatic detection of zener diode 0.01-30V.Self test with automatic calibration.Support IR coding.IR waveform display.Infrared receiving instruction.Measurement results using TFT graphic display.One key operation.Auto power off (timeout settable).Built-in high capacity rechargeable -ion battery.-ion Battery voltage detection.Used to detect NPN and PNP transistors, capacitors, resistors, diodes, transistors, N-channel and P-channel MOSFETs, IGBTs, JFETs, triacs and batteriesSpecification:Sweep range: 0.1MHzVoltage: 3.7VDisplay: 160 x 128 TFTBattery: 1 x -ion battery, 3.7V, 300mAhMaterial: Plasticscolour: As shownPackage Contents:1 x Tester1 x USB Cable1 x Test Clip1 x LED1 x Capacitance1 x ResistanceOnly 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.