Features: Basic Test Function: it including the measurement function of AC/DC voltage, resistance, on-off buzzer, and automatically switches to corresponding range, simple to use that ordinary users can easily operating. Compact Portable Size: measured size in 4.8*2.4*1 inch, the palm-size multimeter is smaller than your mobile phone that making it the perfect size for carrying around. Easy-to-read LCD Display: 4000 counts large-screen LCD display with backlight makes readings more clear and accurate. Reliable Quality: made of solid durable ABS material, the tester meets the safety standards of IEC61010 for 600V CAT II and pollution grade 2. More Features: NCV non contact voltage detection, auto ranging, data hold, flashlight illumination, auto power off, the multimeter has stable performance and accurate results for the professional and even the users without professional knowledge of physics. Specifications: Material: ABS Max. Display: 4000 counts DC Voltage: 0.8~600V+/-(0.8%+5) AC Voltage: 1~600V+/-(1.0%+5) Resistance: 0 Ohm ~40M Ohm +/-(1.0%+10) Auto Power-off: 5 minutes Backlight Auto-off: 30s Illumination Auto-off: 30s True RMS: 45Hz~2kHz Conversion Rate: About 3s/second Working Environment: 0~40 celsius , less than 80%RH Storage Environment: -10~60 celsius , less than 70%RH Power Supply: 2 * 1.5V AAA battery (NOT included) Item Size: 123 * 61 * 24mm / 4.84 * 2.40 * 0.94in Item Weight: 77g / 2.73oz Package Weight: 167g / 5.88oz Package Size: 17.5 * 11.5 * 3.5cm / 6.89 * 4.53 * 1.38in Packing List: 1 * Multimeter 1 * Pair of Test Lead 1 * Lanyard 1 * Manual (English)