Unique Lighting Systems continues to offer lighting professionals Innovative Lighting Solutions that Last a Lifetime. Unprecedented in the industry, the Pro-Force transformer offers ease of installation unlike any other in the market today. The commercial-grade 300 and 600 Watt options are designed specifically for permanent, vandal-resistant hard-wired installation per UL 2108 requirements. All models also feature 12-24 volt secondary taps to offer more flexibility for longer wire runs while compensating for voltage loss.