4ft. LED Wattage Adjustable & Color Tunable Stairwell Fixture - 30W/35W/40W - 3500K/4000K/5000K - Built-In Ultrasonic Sensor - 12W Smart Safe Emergency Battery Backup Included - Keystone The thermal casting conducts LED

The thermal casting conducts LED heat to offer a long lifespan and optimize performance

Its 660 lumens of brightness per head ensure that your flag can be seen from a distance

and Suitable for Damp Locations DLC Premium 5

and operates reliably in extreme conditions from -40ºC/-40ºF to 60ºC/140ºF—making it a versatile and durable choice for both commercial and industrial lighting systems

This tube is an ideal replacement for a 32WT8 fluorescent tube

4ft. LED Wattage Adjustable & Color Tunable Stairwell Fixture - 30W/35W/40W - 3500K/4000K/5000K - Built-In Ultrasonic Sensor - 12W Smart Safe Emergency Battery Backup Included - Keystone The thermal casting conducts LED4ft. LED Wattage Adjustable & Color Tunable Stairwell Fixture 30W 35W 40W 3500K 4000K 5000K Built In Ultrasonic Sensor 12W Smart Safe Emergency Battery Backup Included Keystone This Keystone LED stairwell fixture is ideal for commercial and retail applications including stairwells, hallways, and corridors. Stairwell fixtures are a great way to illuminate stairs with bright and even light output that need security lighting where people are present in