Workhorse Ballast 33, 120 volt. Solid state electronic, instant start. Max Power - 64W, Max. Current - 0.53 Amp., Voltage - 120 volt. Case size - Length - 6.5", Width - 1.5", Height - 1". Specifications for Workhorse 33 ballasts - Frequency: 50/60 Hz, Protection/voltage Transients: MOV (Per ANSI C82.11-1933 & C.62.41), EMI/RFI: FCC 18-A, Approvals UL, cUL, Type 1 outdoors, High Power Factor: >.90, Min. Operating Temp: -20 Degrees F (-30 Degrees C), Max. Case Temp.: 158 Degrees F (80 Degrees C), Class P: Thermal, Sound Rating A. SEE Longhorse 3, 120 volt for remote mounting. WH33-120-L
