Versatile Functionality: Includes 10 pieces of magnetic switches that can be set to Normally Open (NO) or Normally Closed (NC) states, providing flexibility for various security needs Enhanced Security: Ideal for integrating into your home security system for doors and , ensuring that any unauthorized opening triggers an alarm Easy Installation: Simple setup process that does not require professional help, making it perfect for DIY enthusiasts and Reliable: Crafted from high-quality materials to and consistent performance Wide Applications: Suitable for residential, commercial, and industrial use, enhancing the security of any environment Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:Black Material:plastic Package Contents: 10 * magnetic switches Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.