Item Type: End Stop Limit Switch Material: PCB Power Supply: 3 Pin Switch Type: Normally open Adaptation: Compatible withEnder 3, Compatible withEnder 3 S, Compatible withEnder 3 Pro, Compatible withEnder 3 V2, Compatible withEnder 3 Maximum, Compatible withCR 10, Compatible withCR 10 V3, Compatible withCR 10 S4 and other appropriate 3D printers 1、APPLICABLE MODELS: This limit switch is specially used Compatible withEnder 3, Compatible withEnder 3 S, Compatible withEnder 3 Pro, Compatible withEnder 3 V2, Compatible withEnder 3 Maximum, Compatible withCR 10, Compatible withCR 10 V3, Compatible withCR 10 S4 and more 3D printers. 2、PERFECT SUBSTITUTE: This is a perfect replacement part Compatible withyour 3D printer, which can directly replace your broken limit switch. 3、5 PCS SET: The set contains 5 pcs end stop limit switches, 3 Pin, NO NC controls, with the rated load of AC 250V 1A. 4、PLUG AND PLAY: This limit switch with cable is compact in size, convenient to install, plug and play, easy to use. 5、HIGH RELIABILITY: Adopt flame retardant material and special technology, with high safety and great stability, ensures excellent performance of your printer.General printer DIY system requires at least three optical switches.5 x End Stop Limit Switch