Parameter: The parameter: AC resistance, Basic accuracy: Voltage: 0.5%, Resistance: 0.5%Measuring range: Resistance: 0.0001mQ~200Q, Voltage: 0.0001V~100VDCSignal source: Frequency: AC 1kHz, Current: 2mQ/20mQ range 50mA; 200mQ/2Q range 5mA; 20Q/200Q range 0.5mARange: Resistance: 6 ranges automatic and manual, Voltage: 3 ranges automatic and manualTest speed: 5 /secCorrection: Resistance: each range is individually and manually calibrated without affecting each otherVoltage: each range is individually calibrated manually, without mutual influenceFactory settings: save the factory information, one key can the factory stateBacklight: Enter the setting to turn off and onEnergy saving setting: 30 minutes delay, automatic shutdown without any operationScope of application: cell phone, computer, electric vehicle and other battery maintenance, inspection and testingDisplay : LCD display, direct readingPower supply: built-in lithium battery, using 5V/A charging (for Android mobile phone charger)Size: length, width and height=166 x 80 x 28mmWeight: 173.5gLanguage: Chinese, English, can switch at willOption: computer test software, free updateMaterial: plasticColor: As ShownPackage Contents:1 x lithium battery voltage internal Resistance TesterOnly 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.