Introducing the LOMVUMAC Voltage Tester Pen: Your Essential Electrical Companion!Key Features:Simple Operation: Get started with ease by pressing the power button to activate the tester. No complicated setup required—just point and detect!Voltage Alert: Stay informed about AC voltage presence with our intuitive tester. The built-in buzzer will sound and LED light will flash upon detection. Experience enhanced safety and peace of mind during electrical work.Adjustable Sensitivity: Detect AC voltage levels accurately with our high-quality tester. The frequency of beeps and flashes increases with higher AC voltage, ensuring precise identification of electrical activity.Built-in Flashlight: Illuminate dimly lit workspaces with the convenient built-in LED light. Perfect for use in low-light conditions, the flashlight automatically turns off after 5 minutes to conserve battery life.Auto Power Off: Forget about manually powering off the tester. Our voltage tester features an auto power-off function that activates after 3 minutes of inactivity, preserving battery power for extended use.Low Battery Indicator: Never be caught off guard by a drained battery. The tester alerts you with flashing power indicator lights and a single beep when battery levels are low, ensuring uninterrupted performance.Specifications: DIY Supplies: Woodworking Display Type: Analog Only Accuracy Class: High Operating Temperature: As described Dimensions: 1743cm Model Number: fy16Power Supply: Battery Brand Name: LOMVUMAC Voltage Detection: 12-1000V/48-1000V Frequency: 50/60 Hz Alarm Method: Audible alarm Battery: 1.5V AAA * 2 batteries (not included) Flashlight Lighting: White LED light Probe Shape: Flat Experience unmatched convenience and safety with the LOMVUMAC Voltage Tester Pen. Whether you're a DIY enthusiast or a professional electrician, our reliable tester provides accurate voltage detection and essential features for your electrical projects. Order now and take the guesswork out of electrical work!