HAMPTON BAY Landscape Electronic w/Digital Timer Transformer 600 Watts Dual Voltage Hampton Bay power packs provide convenient features and flexibility to design simple or more elaborate landscape lighting designs. This power pack includes a photocell and digital timer which eliminates the need for manual time adjustment every season and a ground shield making it safe for use with submersible lights. On-time can be set from 1 to 9 hours after dusk. Safe and simple do it yourself low-voltage lighting Includes photo sensor and timer On-time can be set 1-9 hours after dusk Ground shield for use with submersible lights Metal weatherproof construction SUITABLE FOR USE WITH SUBMERSIBLE LUMINAIRES OR SUBMERSIBLE PUMPS. Assembled Dimensions:8-7/8"L x 4 5/8"W x 8" H