This multifunctional tool features the function of NCV AC detector, temperature tester, live/ neutral wire discrimination and flashlight. With LCD screen for easy reading and size for easy operation, it can be widely used in electrical testing, car repairing and more applications. Non-contact AC detection or insert the tester's probe into the power outlet, with alarm buzzer function. And the LED flashlight ensures safety work in dark environments. Live/ neutral wire discrimination: the tester's detection induction is strong when it's a live wire, and the induction is weak or there is no induction signal when it's a neutral wire. Dual range of AC detection: low sensitivity mode (48~1000V)/ high sensitivity mode (12~1000V). It's recommended to use the low sensitivity mode for detection first. Powered by 2 AAA batteries (not included), with battery undervoltage indication. Without operation or signal, it will auto shutdown in about 5 minutes to save battery. Material: plastic colour: black Package Contents: 1 x Voltmeter digital ammeter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.