Using a new generation of chips, more powerful. Using 12864LCD graphic display, intuitive information, information content Powered by 6F22 9v battery, easy to get cheaper. 2*4 test and SMD component test area, in-line and SMD component testing is convenient and fast Ultra-small LCD, delicate display. Automatic identification of pin sequence, fool test High-precision key components are used to test accuracy. Ultra-low consumption, the consumption is only 21ma, the standby current is only 20na, and the standby time is very long. One-touch operation, fast and labor-saving. Ultra-small size, easy to use Display screen: 1.4 inch 12864LCD LCD size: 24.16mm x 35.66mm Backlight Color: White Backlight Temperature: Operation: 0~40 Storage: -10~60 Relative humidity: non-condensing Less than 10C Battery type: 6F22 / voltage 9v Working supply: DV=9V Standby current: 0.02uA Working current: typical working current 21mA DIY Supplies: ELECTRICAL Display Type: Digital display Operating Mode: Manual operation Model Number: -T4-TINY Transistor Tester color:Photo color Material:ABS Package Contents: 1 x Transistor Tester Meter 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.