Atlantic Transformers provide dependable low voltage AC current to Atlantic LED Lighting Systems. The solid state Transformer are fully weatherproof for worry-free outdoor installations. The TRANS88 feature a built-in photocell with light sensor and timer to turn on at dusk and off at dawn or after 4, 6 or 8 hours of operation. Connect the wiring directly to the TRANS88. The TRANS88 is a 88 watt Transformer that has a 120 volt AC input and 12 volt AC output with a 1-year warranty.