Magnitude Lighting OTR300L-LS-SP Otter Series Magnetic Constant Low Voltage Multi-Tap Transformer W/Photosensor-Surge Protection, 300 Watt, 120V Input/ Multi-Tap 12-15V OutputMagnitude Lighting OTR300L LS SP OTR300L LS SP Product Description Magnitude Otter Series 300 Watt Low Voltage Transformer Photosensor Surge Protection IP65 Rated 120V Input Multi Tap 12 15V Output. The Magnitude Otter series are high performance landscape transformers for commercial and residential lighting applications. They feature pre punched knockouts with replaceable rubber covers, a quick removal door and bottom panel and large wire connection