Features:<br>Multifunctional Auto Circuit Tester: mainly used for the measurement of voltage, resistance, diode, circuit on/off, and it will make sound if less than 30 during short-circuit testing.<br>Test Probe Hook: accurately detecting the inner line fault without removing the cable cover. Its slim shape especially perfect for operating in the narrow space with no problem.<br>HD LCD Screen: display data clearly and intuitive, 1,999 maximum display with backlight for easily checking the readout in low-lit conditions.<br>Illuminate Function: designed with a small LED lamp for auxiliary lighting in dark areas.<br>Ergonomic Handheld Tester: user-friendly gear and push button to switch among various functions, easy one-handed operation and convenient for carrying with.<br>3 times/second Switching Rate: simply push the trigger, and the test result will show on the LCD screen, high efficiency and time saving.<br>Auto Power-off Function: has function of automatic shutdown to save power (the function can be cancelled during use).<br>Specifications:<br>Material: ABS<br>Max. Display: 1999<br>Switching Rate: 3 times/second<br>Range Mode: Active combination of full-automatic or full-manual range<br>Polar Indication: Automatic<br>Temperature Measurement: Centigrade() and Fahrenheit()<br>Working Voltage: 2.4~3.6V<br>Low-voltage Indication: About 2.4V<br>Buzzer Frequency: About 2.7kHz<br>Test Lamp: DC 0~30V<br>LEC Test Lamp: DC 0~30V<br>Aging Wire Test Gear: DC 0~30V<br>Feeler: All tests directly<br>DC Voltage: 199.9mV, 1,999V, 19.99V, 199.9V, 600V<br>AC Voltage: 199.9mV, 1,999V, 19.99V, 199.9V, 600V<br>Resistance: 199.9, 1.999K, 19.99K, 199.99K, 1.999M, 19.99M<br>Diode: 0~1.5V<br>Short-circuit Test: Make sound if less than 30<br>Auto Power-off: Yes<br>Power Supply: 3 * 1.5V AAA battery (NOT included)<br>Item Size: 296 * 85 * 25mm / 11.65 * 3.35 * 0.98in<br>Item Weight: 80g / 2.82oz<br>Package Weight: 263g / 9.28oz<br>Package Size: 30 * 10.5 * 3.3cm / 11.81 * 4.13 * 1.30in<br>Packing List:<br>1 * Auto Circuit Tester<br>1 * Probe<br>1 * Manual (English)