Item Type: Voltage Tester Model: T-02A Material: ABS Power Supply: 2 x AAA 1.5V(battery not included) Purpose: Electricity numerical test AC Voltage: 12~1000V 50/60HZ High Sensitivity Range: 12~1000V Low Sensitivity Range: 48~1000V Automatic Shutdown: no operation for five minutes Working Temperature: 0~40 () Storage Temperature: -10~50 () Humidity: 95% Altitude: 2000 meters Features: infrared pointing function LED flashlight lighting 1High quality sensor, measuring range 12V/48V?1000V, it can induce the electric field intelligently 2Non contact induction test is safer, test immediately after booting, saving time and effort 3Infrared function to guide operation, easy positioning, LED flashlight lighting, more handy in the dark environment 4Made of high quality ABS material, small size and light weight, easy to carry and durable 5Battery powered, easy to disassemble, automatic shutdown after 5 minutes without operation, saving powerDo not use the side probe when measuring. So as not to cause electric shock hazard1 x VoltageTester(battery not included) 1 x Manual