Battery-Free: Draws power directly from cable, eliminating the need for batteries. Detects Multiple PoE Types: Identifies IEEE 802.3af, IEEE 802.3at, 24V passive, and reverse polarity Mode B. Ergonomic Design: Small, , and fits comfortably between fingers for easy handling in tight spaces. LED Indicators: Clear, bright LED display shows PoE type, making it easy to read and interpret. Safe & Efficient: Ensures safe installation of PoE-powered devices without damaging equipment., Weight: 0.03968320716 Pounds, Manufacturer: Aribrnten