Using a new generation of chips, more powerful. Using 12864LCD graphic display, intuitive information, information contentPowered 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 fastUltra-small LCD, delicate display. Automatic identification of pin sequence, fool testHigh-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 useDisplay screen: 1.4 inch 12864LCDLCD size: 24.16mm x 35.66mmBacklight Color: White BacklightTemperature: Operation: 0~40 Storage: -10~60Relative humidity: non-condensing Less than 10CBattery type: 6F22 / voltage 9vWorking supply: DV=9VStandby current: 0.02uAWorking current: typical working current 21mADIY Supplies: ELECTRICALDisplay Type: Digital displayOperating Mode: Manual operationModel Number: -T4-TINY Transistor Testercolor:Photo colorMaterial:ABSPackage Contents:1 x Transistor Tester MeterOnly 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.