Widely Applicable: The circuit tester is suitable for checking circuit breakers, lighting fixtures, switches, and outlets, which is the safest way to check for electrical leakage. The electrical tester is perfect for professional testers, DIY users, hobbyists, and homeowners
3 Sensitivity Modes: The live wire tester suits different voltage detection ranges. After powering on, it is in low sensitivity mode by default (buzzer 1 time), press "S" once to enter medium sensitivity mode (buzzer 2 times), and press "S" again to enter high sensitivity mode (buzzer 3 times)
Built-in detection light and rear flashlight offer added convenience for working in low light conditions and can serve as an emergency light when needed. The rear flashlight operates only when the tester is powered off.
NCV: The Non-Contact Voltage Tester is equipped with NCV sensing probe, which provides you with the easiest and safest way to check the voltage in a wire, outlet, or switch. When it is close to an outlet or power cord, the voltage detector will emit different levels of alarm sounds and signal indicator lights to indicate the presence and strength of voltage
Compact Design: The pocket-sized electrical tester pen comes with a convenient pen hook that makes it easy to carry in your shirt pocket. When the battery voltage is lower than 2.5V, the power indicator flashes 3 times, and the buzzer buzzes and then automatically shuts off, please replace the battery in time. Automatic Power Off after 3 minutes without operation or signal detection