TITAN CONTROLS® APOLLO 4 - 120 VOLT IN-LINE TIMER This product provides 24 hour lighting control for up to a 1000 watt ballast from a 120 Volt outlet. The Apollo 4 is compatible with all 120 volt ballasts that feature a Smart Volt power cord. This includes: Sun System 1, 6 & 10, Harvest Pro, Harvest Pro Elite, Budget Gro, Galaxy and Lumatek ballasts. This timer makes lighting control simple! | Only the highest quality components are used. | Controllers designed by our industry, for our industry. | 15 Amps/120 Volts/60 Hz. | 3 year warranty.