• 5 different measurement ranges, testing voltage from 50V/100MΩ to 1000V/4000MΩ
• Stable and high-speed digital display, response time for PASS/FAIL judgment is only 0.3 seconds
• Anti-drop protection for 1m on concrete surface
• High-brightness LED display, with LED light switch on the test line (optional L9788-11 or L9788-10)
• 200mA continuous test check
• Capable of measuring AC/DC voltage, suitable for testing solar power systems and electric vehicles
