Seco-Larm SM-4302-LQ/W NO Mount Magnetic Contact

Used for protecting sliding doors and windows where space is limited Magnet and reed switch contained in housing Rollerball plunger travel is 1/4″ (6mm) 360º Rollerball 18″ (46cm) Wire leads Contact reed switch is SPST, iridium-plated to have a high melting point and Vickers hardness for higher power handling and longer expected life NO (normally open with no magnet present) Spacer and screws included Lifetime limited warranty