Features: The advanced digital voltages tester offer high precisions measurement with a clear LCD display, featuring NCV detection and built in break identification for efficient circuit troubleshooting. Equipped with phase/neutral line recognition, continuity testing, and voltages detection up to 1000V, this ABS bodied tool combines multiple electrical diagnostic functions in a ergonomic device. Designed for electricians, maintenance technicians, and enthusiasts requiring voltages detection and circuit analysis in residential or commercial settings. Safely troubleshoot wiring systems, verify outlet functionality, or inspect industrial equipment with enhanced sensitivity and LED lit operate for low light environments. Its shock resistant construction and auto ranging capability make this circuit tester indispensable for both repairs and routine electrical maintenance tasks. Specifications: Component: ABS. Size: 161x31.2x26.2mm. Frequency: 50~60Hz. Alarm methods: Screen backlight changes color + sound. Storage temperature: 10~50℃ Power supply: 2xAAA 1.5V battery requires(NOT include) LED: White Color: Black/Red Package Includes: 1 Set Tester Pen note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Battery NOT include.