Transistor Tester: Automatic detection of NPN and PNP bipolartransistors, N-channel and P-channel MOSFETs, JFETs, diodes(including double diodes), N- and P-IGBTs, resistors(including potentiometers), inductors, capacitors, thyristors, triacs and battery (0.1-4.5V). Automatic detection of zener diode ( 0.01-20V ) Self test with automatic calibration Specification: Zener diode test area IR receiver window Micro-USB Charging InterfaceCharge indicator LED 160x128 TFT Display Multifuction keyTransistor test area IR Decoder: Support IR coding IR waveform display Infrared receiving instruction Other: Measurement results using TFT graphic display(160x128) One key operation Auto Power Off(Timeout Settable) Built-in high capacity rechargeable Li-ion Battery Li-ion Battery voltage detection Note: Built-in Li-ion Battery, strictly prohibited thetester immersed in water, or near aheat source! For your personal safety, please strictly complywith the use of Li-ion Battery specifications and precautions! Due to different batches, the appearance, color, and printed words of the product may be different, which does not affect the use. Material: plastic colour: white+blue Package Contents: 1 x Tester 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.