2FT vapor tight emergency underground passage linear lights Sensor Tri Proof Light The Sensor Tri Proof Light adopts LED chips SMD2835, so that the Waterproof underground passage linear lights can achieve 140lm/w high lumen out put. The underground passage linear lights have emergency function, able to ensure lighting for more than 3 hours in the event of a power outage. The emergency battery of this emergency Linear Fixture has a special clip-fixed housing, it's easy for maintenance and replacement. The protection rating of this emergency waterproof luminaires is high up to IP65, has a high dustproof and waterproof performance. Lamp Luminous Efficiency(lm/w):140 IP Rating:IP65 Warranty(Year):5-Year Place of Origin:Guangdong, China Color Temperature(CCT):3500K Color Rendering Index(Ra):83 Support Dimmer:Yes Emergency Function:Yes Lifespan (hours):55000 Working Time (hours):55000 Lighting solutions service:Lighting and circuitry design, DIALux evo layout, auto CAD layout Light Source:LED SMD2835 CRI (Ra>):83 Model Number:ZL-PSBLP20-2FT-CES-3CCT Brand Name:comled Input Voltage(V):AC200-240V Working Lifetime(Hour):55000