Features SAFE AND PRACTICAL: This non contact AC voltage detector only requires you to place the tip near the wiring board, socket, or power line. When the tip emits a red light and the pen beeps, you will know the presence of voltage. MULTI FUNCTIONAL: Features a built in flashlight to aid you in working in dark environments. Whenever the voltage tester detects AC voltage, the detection light flashes red and the buzzer emits a brief beep. COMPACT DESIGN: With its durable ABS casing, perfect portable pencil hook, and convenient pocket clip, this tester boasts a stylish design in bright orange, making it ideal for circuit testing for electricians and homeowners. USER FRIENDLY OPERATION: This tester is incredibly easy to use. Simply press the button to turn it on and hold the tip close to the electrical source for immediate voltage detection. No complicated procedures or technical know how required. VERSATILE APPLICATIONS: Whether you're an electrician, contractor, or homeowner, this tester is a handy tool for various electrical tasks. It helps ensure safety during repairs, installations, and general electrical maintenance work. Specification: Item Type: Voltage Test Pen Material: ABS Battery: AAA x 2 (shipped without battery) Measuring Range: 90/1000V Frequency: 50/60Hz Current: 60A  Package List: 1 x Voltage Test Pen Package List 1 x Voltage Test Pen