Intermatic PX100 Pool Light 100-Watt Safety Transformer, Beige

Designed to supply 12 volts to pool/spa lights, submersible fixtures and outdoor garden lights Grounded shield between the primary and secondary windings Built-in circuit protection 3R Beige metal enclosure with a total of 10 combination 1/2" inch - 3/4" inch knockouts: (2) right side, (2) left side, (2) back and (4) bottom 7 ¼” inches (19.4 cm) (H) x 5 ¼” inches (13.3 cm) (W) x 4 ½” inches (11.4cm) (D)You may also like Intermatic PX300 Transformer, , 115v, 12v13v14v, 300w.