4' LED Stairwell Fixture, 120-277V Input, Power & CCT Selectable with Ultrasonic Sensor, with 500 Lumen Emergency BBU by Keystone

• Features Keystone Power Select technology (45/35/30W)
• Features Keystone Color Select technology (3500/4000/5000K)
• Powered by Keystone 0–10V dimming LED drivers
• Post-painted steel body; PMMA lens
• Smooth, diffused lens for an even appearance
• UL Listed 1598: Suitable for damp locations
• Ambient operating temperature: −20ºC/−4ºF to 50ºC/122ºF
• Includes integrated ultrasonic dimming occupancy sensor
• LED lifetime: L70 >100,000 hours @ 25°C ambient fixture temperature
• THD: < 20%
• Power factor: > 0.95