uxcell NC Recessed Security Magnetic Door Window Contact Reed Switch 2 Pcs Product Name : Door Magnetic Reed Switch;Contact Type : NC,Normally Close;Contact Capacity : 0.5A Voltage : DC 100V;Rated Power : 10W;Actuation Distance : 15-25mm Each Size(Approx) : 17.5 x 11mm / 0.7" x 0.43"(H*D);Cable Length(Each) : 26cm/ 10.2" Color : White;Housing Material : ABS Weight : 17g;package Content : 2 x Door Magnetic Reed Switch