5-in-1 Multifunctional Clamp Meter: Covers AC current (2A/20A/200A/400A max), AC/DC voltage (600V max), resistance (20MΩ max), continuity & diode polarity detection; one-click function switch via FUNC button meets daily & professional electrical measurement needs. High Precision & Reliable Performance: 2000-count clear digital display ensures accurate readings (±2.5% rdg+8 digits for AC current; ±0.5% rdg+5 digits for DC voltage); CAT III 600V rating delivers reliable performance for high-voltage applications. Compact & User-Friendly Design: Palm-sized body (1/2 smaller than traditional clamp meters) fits easily in tool bags for on-the-go use. Built-in backlight (auto-on for >80V/3A measurements), data hold, max value lock, and 15-minute auto power-off to save battery (2×AAA included). Widely Applicable Scenarios: Ideal for household circuit repairs, appliance testing (refrigerators/air conditioners), automotive electrical systems (battery current/starter circuits) & electrician maintenance; precise measurement for small wires with conductor center positioning (no extra error). Ready-to-Use Complete Package: Includes 1×KC400 clamp multimeter, 2×high-quality test probes, 1×user manual & 2×AAA batteries; KAIWEETS 3-year warranty guarantees worry-free purchase.