ANENG VD700 2pcs Sound and Light Alarm Non-contact Digital Display Sensor Multi-function Test Pen(Yellow Green)1. Night vision blue light display, multi purpose bit, LED auxiliary light 2. Flashlight lighting, self test function, breakpoint detection, non contact, zero live wire identification 3. LCD night vision blue screen, the reading is clear, and the dark environment is still clearly visible 4. Light switch, convenient for night operation 5. One word batch head, the batch head is forged with chrome vanadium steel, and the overall heat treatment is