Specification: - connecting mode: NO - Normally Open (closed when with magnet nearby) - maximum current 100mA - maximum voltage in the circuit: 200 VDC - operation distance: more than 15 mm, less than 25 mm - color: white No external power required, connect to wired or wireless GND control panel and N.C ports directly! Please note that this item does not fit iron door - magnetic interference https://elecena.pl/product/22604365/mc-38-no-reed-switch-set-with-wires 2023-02-22 https://elecena.pl/product/22604365/mc-38-no-reed-switch-set-with-wires 2025-10-29