Versatile Automatic Testing: The versatile design of the pen-type multimeter ensures that all your testing needs are met. From voltage measurement to continuity testing and diode checking, it can do it all. With its auto range function, you can be sure to get an accurate reading every time Non-contact NCV Detection: The digital pen meter has a built-in sensor and red LED indicator to help you detect the presence of AC voltage nearby. The closer you are to the power source, the more urgent the alarm, ensuring your safety in hazardous working conditions Firewire Detection: The Smart Pen Multimeter's built-in firewire detection function allows you to easily measure and identify the fire, neutral and earth wires of your circuit, ensuring your safety and reducing the risk of electrical hazards when using firewires Open Circuit Detection: The multimeter features an innovative open circuit detection function that allows you to easily identify open circuits on the firewire using a non-contact voltage detection mode. This feature makes it an essential tool for professional electricians and DIY enthusiasts With Torch Function: The pen-type multimeter has a bright torch at the tip position that helps you to effectively illuminate dark and hard-to-see areas, allowing you to work in low-light environments with ease. With its ergonomic design and portable size, the torch can be taken anywhere, giving you the flexibility to work in a variety of different environments Specifications: AC voltage: 0.8V-600V DC voltage: 0.8V-600V Resistance: 0.1Ω~40MΩ NCV induction: √ Live zero line: √ Buzzer: √ Material: Rubber/Silicone Maximum count: 4000 counts Backlit screen: √ Automatic shutdown: √ Data retention: √ Flashlight lighting: √ Low battery reminder: √ Power supply: 2*AAA battery (not included)