1、NCV non‑contact voltage detection, no close contact is required during measurement, making the measurement safer 2、Large LCD screen, more clear digital display, convenient for users to read quickly and accurately 3、Made of high‑quality ABS material, intelligent identification, the maximum effective value is 4000 4、Multifunctional and practical design, intelligent anti‑burn, protect the instrument and users, small size and easy to carry 5、Equipped with low battery reminder, simple battery replacement,safe and long‑lasting battery life Item Type: Multimeter Model: T1 Material: ABS Power Supply:2 x AAA 1.5V(battery not included) Purpose: Electricity numerical measurement Pollution Degree: 2 Altitude: <2000m Working Environment Temperature and Humidity: 0~40℃ (＜80%RH) Storage Environment Temperature and Humidity: -10~60℃ (＜70%RH; remove the battery) Conversion Rate: about 3 times/sec Input Polarity Indication: automatically display the "-" sign Display: 4000 counts LCD display Over-Range Display: OL Gear Range Resolution AccuracyRemark DC Voltage (DCV) 0.8V~600V 0.001V ±(0.8%+5) Minimum Input Voltage: 0.8V Maximum Input Voltage: 600V Input Impedance: 10M AC Voltage (ACV) 1V~600V 0.001V ±(1.0%+5) Minimum Input Voltage: 1V Maximum Input Voltage: 600V Input Impedance: 10M Resistance (Ω) 0Ω~40MΩ 1Ω ±(1.0%+10) Overload Protection 600V AC/DC Maximum Display Value 4000 Automatic Shut-Down √ Five minutes without operation Back Light √ Turn off with a delay of 30 seconds Flashlight √ Turn off with a delay of 30 seconds Buzzer Internal resistance is less than 50Ω Overload protection 600V AC/DC Buzzer Indicator √ NCV √ NCV Indicator √ "----" Corresponding to changes in strengths and weaknesses True RMS √ 45Hz~2KHz Undervoltage Prompt √ 1 x Multimeter(battery not included) 2 x Test Lead 1 x Manual