Specification Brand : QXAGYUMB BulletPoint : Fits Jackson, 220745, Door, Safety Reed, Switch BulletPoint1 : Reed Relays BulletPoint2 : JZC-33F-024-HS3, HF33F-005-HS3 012 024 a set of normally open 4 feet 5A BulletPoint3 : INSTALL DISTANCE: The sensing distance of the magnetic door switch is 23-35mm / 0.98-1.38inch. So the install gap between 2 pieces more than 23mm, less than 35mm. Silver color makes home great and beautiful. BulletPoint4 : REED SWITCH: When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken. Wired magnetic door/windows can be added to wireless/wired Alarm Systems. BulletPoint5 : SWITCH TYPE: NO means normally open: when the magnet separate, the circuit is conductive (light on); when the magnet together, the circuit is not conductive (light off), 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). Color : One Color Department : Unisex Adult ExternallyAssignedProductIdentifier : 6411566486254 ItemName : JZC-33F-024-HS3, HF33F-005-HS3 012 024 a Set of Normally Open 4 feet 5A(HF33F-005-HS3) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : reed-switches Manufacturer : QXAGYUMB Material : ABS ModelName : QXAGYUMB ModelNumber : QXAGYUMB NumberOfItems : 1 PartNumber : QXAGYUMB ProductDescription : Reed Relays JZC-33F-024-HS3, HF33F-005-HS3 012 024 a set of normally open 4 feet 5A ProductSiteLaunchDate : 2024-11-27T14:05:04.398Z Size : HF33F-005-HS3 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 39122300