Specification Brand : SIEMENS BulletPoint1 : EASY Users can realize all the functions of automatic CW by touching the ball with double fingers, which is convenient and BulletPoint2 : 2 LAYER DESIGN: The upper layer is the main circuit and interface of the telegraph key, the lower layer is the magnet fixing base, with a stable structure. BulletPoint3 : WIDE APPLICATION: The key can be easily attached to radio casing, car cover and other iron objects without moving, and has a wide range of applications. BulletPoint4 : MATERIAL: Using PCB circuit and 304 stainless steel shell, rustproof and resistance, which has good stability, convenient for outdoor use. BulletPoint5 : SENSITIVE TYPE: The automatic telegraph key is touch sensitive and has standard 3.5mm output interface, with and less interference. ExternallyAssignedProductIdentifier1 : 0783643700406 ExternallyAssignedProductIdentifier2 : 783643700406 ItemName : SIEMENS BOS14353 N 100A 600Vh 3W New ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : current-switches Manufacturer : SIEMENS ModelNumber : Walfrontge34fspuok6419 NumberOfItems : 1 PartNumber : BOS14353 ProductDescription : Specification: Item Type: Telegraph Key Material: PCB, 304 Stainless Steel Basic Parameters: Output Interface: 3.5mm interface Operating Environment: -40℃ to 85℃