Features 1、LCD Graphic Display: This crystal diode tester adopts 12864 LCD graphic display, which is intuitive and has large information content. The LCD contrast is adjustable, and the backlight can be set to always on, off, and automatic energy saving modes. 2、Easy And Fast Testing: This crystal diode tester has 2x7 locking test holders and SMD component test area, which makes direct insert and SMD device testing easy and fast. 3、With Servo Test Port: This transistor diode tester has a servo test port, so you can choose internal or external power supply to the servo, which is convenient for model airplane and car enthusiasts to debug. 4、With Multiple Waveform Outputs: This tester has 11 kinds of DDS waveform output functions such as sine wave, triangle wave, sawtooth wave, inverse sawtooth wave, noise, step wave, half wave rectification, full wave rectification, trapezoidal wave, etc. It has high frequency wave output function. 5、Multiple Functions: This tester has a variety of functions, such as PWM output function with adjustable frequency and duty cycle; frequency meter function; infrared decoding function, which can identify , JVC, SIRC and other mainstream infrared encoding format. Specification Item Type: Transistor Tester Model: LCR T4 MINI Z Material: PCB Battery: 9V 6F22 x 1 ( Shipped Without Battery ) Package List 1 x Transistor Tester