1SAFE 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. Professionally designed and manufactured, it ensures safety and reliability. 2MULTI 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. 3COMPACT 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. 4USER 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. 5VERSATILE 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. 1 xVoltage Test Pen