Not Testing: Features not alternating current current measurement for easy single conductor testing, compact size for portability, and easy repairs in tight spaces Versatile alternating current / direct current Measurement: The PN13U clamp meter accurately measures both alternating current and direct current currents without cutting wires, ideal for automotive battery checks and electrical maintenance with its 1.2cm jaw opening Data Hold Function: Equipped with a dedicated HOLD button to instantly freeze readings, allowing single handed operations and focused measurements without distractions Reinforced & Clear Display: Built with high strength engineering for impacts resistance, paired with a color reverse LCD screen that prevents burn in and ensures long lasting visibility Live Wire Detections: Quickly identifies live wires using the LIVE mode—audible beeps and " " display indicate live wires, while neutral wires show not response for safe troubleshooting, Manufacturer: JAMNGHB