Comprehensive Testing Tool: The for ST181 is a versatile digital clamp multimeter designed for professional electricians and DIY enthusiasts. It offers precise voltage and current measurement, ensuring accurate diagnostics and repairs. Advanced Features: Equipped with Non-Contact Voltage (NCV) detection and an Ohm test for resistance checks, this tool is indispensable for troubleshooting electrical issues efficiently. User-Friendly Design: Features a robust clamp for easy measurement of AC current without breaking the circuit. The compact, handheld design makes it easy to operate and carry, ideal for fieldwork. Note: 2xAAA batteries are not included Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:PVC Package Contents: 1 * Clamp meter 1 * Black packaging bag 2 * Test probes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.