Size:46" Length, Light Bulb:(1)28w T5 Mini Bi-Pin Linear Fluor T5 Low Profile Strip light Energy efficient T5 technology. Rugged steel chassis with baked white enamel finish. Cable, stem or flush mounting. Suitable for continuous row applications. Universal volt high power factor program start electronic ballast suitable for 120 to 277 Volts 50/60 HZ. (HO) High output Uses: T5 Silhouette type lamps.