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

Operating Temperature: -4°F ~ 113°F

800 Lumens (135 Lumens/Watt)

Constructed from durable PVC

Made with premium walnut wood

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