Used on security door sensor. 3.000" overall length 2.800" overall width door switch sensor surface mount brushed anodized aluminum enclosure with abs plastic end caps; hermetically sealed reed switch encapsulated in polyurethane; nema rating 1, 2, 3, 4, 4x, 5, 6, 12; protection class IP67; response time 1msec max; lead types/o.d. stainless steel armored cable no.22 wire 0.28inches; lead length 3 feet; not ulc listed rectangular w/bracket