Feature: 1. Approach Switch: Designed to have 50mm detection range, the proximity switch also has high accuracy to achieve stable performance with high working efficiency. 2. Non Contact Use: No need for mechanical contact or pressure, the proximity sensor can detect the object when it approaches and gets to the operating distance. 3. Wide in Utility: Allows for wide application for the limiting, counting, positioning control, and automatic protection on machine tool, metallurgy industry, etc. 4. Reliable Design: Supporting insulation resistance of over 50M Ω, the shell is made of aluminum alloy material, IP65 waterproof, and can be used for a long time. 5. Easy to Install: Comes with a compact size and a light weight as well, the inductive approach switch enables the convenient installation to be finished in minutes. Specification: Item Type: Proximity Sensor Model: TCA-2050A Detection Distance: Approx. 50mm / 1.97in Detected Object: For magnetic metal and iron. Working Voltage: 90-250V AC Output: 2 Wire Normally Open Product Current: 10-400mA. Package List: 1 x Proximity Sensor