Specification Brand : Rain Bird BulletPoint1 : Newest model from Rainbird BulletPoint2 : Compatible w/ virtually all Rainbird Indoor Timers SST Series, E-Class: E4 E6 & E9 and ISM Series (Not ESP4Mi) BulletPoint3 : Easy installation: wire connector slides directly into existing timer BulletPoint4 : Only suitable for vertical indoor installation in dry location BulletPoint5 : 24 volt transformer ExternallyAssignedProductIdentifier : 20077985906263 ExternallyAssignedProductIdentifier1 : 0077985487782 ExternallyAssignedProductIdentifier2 : 077985487782 ItemName : 2-Pack Rainbird ISM-9 Sprinkler Timer Transformer Power Supply AC25.5V .650mA ItemTypeKeyword : automatic-lawn-irrigation-controllers Manufacturer : 2-Pack MountingType : Wall Mount NumberOfItems : 1 PartNumber : 639300-01 PowerSourceType : Corded Electric ProductDescription : This is a lot of two Rainbird SST transformers. These are the newest models. The transformer is compatible with these Rain Bird timer models: SST Indoor: SST-400i, SST-600i, SST-900i Residential Installation (Indoor use only). Replacement for transformers with output of 650mA or less. Rain Bird timer models other than SST Indoor may require additional tools and expertise in order to use this replacement transformer. If there is any doubt about the use of this product please consult a professional electrician. Replacement transformer for Rain Bird SST indoor irrigation controllers STPi Indoor: STP4i, STP6i, STP9i E-Class: E4, E6 & E9 ISB-409 ISA-304, ISA-406, ISA-408 PC-306, PC-406, PC-406ps, PC-504 & PC-506 ISM4-RS, ISM6-RS & ISM9-RS ProductSiteLaunchDate : 2021-07-15T17:54:58.443Z SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 26111704