Specification Brand : QXAGYUMB BulletPoint1 : Reed Relays BulletPoint2 : Power relay HF115F-25/12-H3TF a set of normally open 25A 6 feet 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 ExternallyAssignedProductIdentifier : 6411566505542 ItemName : Power relay HF115F-25/12-H3TF a set of normally open 25A 6 feet 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 Power relay HF115F-25/12-H3TF a set of normally open 25A 6 feet ProductSiteLaunchDate : 2024-11-27T14:06:13.268Z Size : HF115F-25/12-H3TF SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 39122300