ZUMHIGH Electric Test Pen & 24" Retractable Spring Wire

• Multi-Voltage Testing Function: Supports a voltage range from 5V to 120V, making it widely suitable for vehicle owners, repair technicians, DIY enthusiasts and various scenarios, meeting diverse electrical testing needs
• Car Battery & Charging System Inspection: This tester can quickly diagnose car batteries and charging systems, helping you easily check battery condition and avoid hard starting or battery damage
• Electrical Component Testing: In addition to car battery testing, it can also perform complete electrical inspections on headlights, taillights, fuses and wiring, helping you identify electrical faults efficiently
• Accurate Voltage Readings: The clear digital display and precise 0.1V resolution ensure accurate voltage data for every test, preventing issues caused by reading errors
• Durable & Convenient Operation: Whether for garage repairs or outdoor work, this tester’s durability, convenient storage and efficient performance make it an ideal choice for your daily electrical inspections

The waterproof (IP65) housing and temperature-stable components (-22°F to 158°F) ensure reliability in all working conditions