Specifications:Product Name : Magnetic Door SwitchContact Type : NC, Normally CloseContact Capacity : 0.5A(Maximum Switch Current)Voltage : DC 100VRated Power : 10WAction Distance : 10(+/-5)mmEach Size(Approx) : 64 x 13 x 13mm / 2.5" x 0.51" x 0.51"(L*W*H)Mounting Hole Dia. : 4mm/ 0.16"Wire Length(Each) : 27cm/ 10.6" Color : White HousingMaterial : ABSWeight : 199g package Content : 10 Sets x Magnetic Switch 40 x Installation Screws Description:Screw surface mount contact, white ABS housing. 27cm long wire lead that is side mounted. Comes with forty installation screws.NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully!.
eBay