LED Linear High Bay - Wattage Adjustable up to 400W - Up to 60,400 Lumens - 5000K - Jen Lighting Color:5000K Daylight There are two accessories that

There are two accessories that can be purchased separately for this UFO High Bay:

5W = 500 Lumens

Approximately 60% more energy-efficient than F32 T8 fluorescent lamps

and ETL listings

Dimming Driver: Triac

LED Linear High Bay - Wattage Adjustable up to 400W - Up to 60,400 Lumens - 5000K - Jen Lighting Color:5000K Daylight There are two accessories thatThis Wattage Adjustable 270W 340W 400W LED Linear High Bay is the perfect energy efficient indoor lighting solution for industrial, commercial, or residential location with high ceilings, like warehouses, gyms, barns, and supermarkets. The linear footprint is especially ideal for replacing fluorescent high bays that are used to light aisles, lanes, or hallways. At 400W, this LED High Bay produces 60,400 lumens with an efficacy of 151 lumens per watt