SPECIFICATIONS Alarm method: Screen backlight color change buzzer alarm ANENG B19 – Non-Contact Voltage Tester Pen (30–1000V)Stay safe and test electricity the smart way.The ANENG B19 is a compact, easy-to-use voltage detector that lets you check live AC wires without touching them. It features a bright LCD display, sound and light alarms, and even a built-in flashlight — perfect for both electricians and everyday home use. ✔ Detects AC voltage from 30–1000V – no contact needed✔ Sound & LED alert when voltage is found✔ Quickly finds broken wires and circuit issues✔ Auto shut-off to save battery life✔ Built-in flashlight for working in dark spaces Available options: 1 pc w/ battery – Includes 1x AA 1.5V battery, ready to use, due to the carrier's battery restrictions, the price of the battery increased to $3, if you can buy it at a store near you, you will save $3. This battery is a very popular type of battery and is often used in households in consumer electronics such as:-Remote control-Wall clock-Flashlight-Wireless computer mouse-Children's toys-And measuring devices such as electric testers, thermometers... 1 pc w/o battery – Requires 1x AA 1.5V battery (not included)Save3$ ANENG B19 Voltage Detector Pen 30-1000V Voltage Meter Buzzer Alarm Non-Contact Test Voltmeter Diagnostic Breakpoint Finder Tools Overview: This electric test pen meter is designed and produced according to the safety requirements of the international electrical safety standard IEC-61010 for electronic measurng instruments and handheld digital multi-purpose meters.Compliant with 600V CAT IV, 1000V CAT. III and Pollution Degree 2 requirements of IEC-61010. Before using this instument, please read the instruction manual carefully and pay attention to the relevant safety work guidelines.Specification: B19 Tester Pen Ranges of AC voltage Non-contact measurement:30~1000VContact measurement:11V~450V Frequency 50~60Hz Alarm method Screen backlight color change buzzer alarm Identify the live wire The live wire is the one with a large electric field strength orhigh voltage value Sensitivity ofinduction inspiration Three-grid scale indication:"weak electric field;"--"medium electric field"---" strong electric field Auto power off Will shut down automatically if not used for 3 after starup Security level CE CAT.II 1000V/CATIV 600V NCV voltage detection √ Dual-colordigital display √ Switch detection √ Backlit screen √ Battery type 1.5VAAbattery*1(without shipment) Phillips/flatheadscrewdriver √ Weight 61g Insulated rubber-coated handle √ Package: 1 * B19 Test Pen1 * Packing boxAttention:During the testing process, the fingers must be in full contact with the touch pole piece.The AC voltage measurement must be in contact with a live conductor in order to obtain accurate values.If it comes into contact with metal objects or the outer skin of charged conductors covered by an electric field, or if it is non-contact in a super strong electric field, although the voltage valuewill also be displayed, this value is for reference only and cannot be used as a measurement basis.