Description: LCD Display: LCD display make the reading easily whatever in the sunlight or the poor light. 3-Line Display: 3-line display screen can show simultaneous the voltage, frequency and analog bar three line information. 8 LED Indicators & precision sensor: 8 LED Indicators in 3 colors make judge detected voltage strength clearly, and the detection is more precise. Automatic Identification & LED Flashlight: identifies the tested parameters and choose their required range automatically. Integrated Design & Automatic shutdown: Multimeter voltage detector design can improve your work efficienc, portable and save space. Automatic Shutdown Time: about 2 minutes Specification: Style 1 Maximum Allowable Voltage: 400V DC or 400V AC (effective value) Frequency: 40Hz~1000Hz Resistance: 10MQ Buzzer on-off: when the measured resistance is less than 30Q Voltage Detection Alarm: 90V~1000v Wall Live Body Test: 6V~1000v Maximum Display Value: 2000 digits Material: Plastic Battery: 2x AAA Batteries (not included) Style 2 AC voltage range: about 12~1000V (manual mode) about 48~1000V (automatic mode) Frequency: 50 Hz/60Hz Alarm mode: sound and light alarm Flashlight: white LED lighting Operating temperature: 0~40 degrees Storage temperature: -10~-50 degrees Altitude: