Lot of 5 Set NC Door Or Window Contact Magnetic Reed Switch Alarm Mounting method: SMD (by screws or double-sided tapes) Dimensions: 23mm x 14mm x 6mm Switch pattern: NC (normally closed type), circuit is connected when magnet closes to the switch Contact capacity: Maximum switch current: 0.5Amp Voltage: 100 VDC Rated power:10W Material: Nd magnetic Wire lead: 24 Awg, 350mm long Color: white Housing: ABS Recommendations in application: wooden door, window Package Contents: 5 x Reed switch