The digital multimeter DM90A provides 4000 counts and supports auto-range. The mini size design is highly portable. The back adopts a 45° support design to enhance the user’s reading experience. It is equipped with NCV and buzzer indicators, which can more clearly see the alarm during measurement. The resistance measurement range is up to 40Ω. The combined buttons below the screen ensure convenient operation. Support temperature measurement and unit conversion. The device will automatically shut down after 5 minutes of inactivity to save energy.