4FT 36W Linkable LED Emergency Batten Light suitable for warehouse, temporary engineering and so on 4FT IP65 Tri-proof Linkable LED Light Fixture with Emergency Function The Waterproof Linear LED Light Fixture adopts LED chips SMD2835, so the Waterproof Linear LED Light Fixture can achieve 130lm/w high lumen out put. This LED Batten Light has emergency function, able to ensure lighting for more than 3 hours in the event of a power outage. The emergency battery of this linear lamp has a special clip-fixed housing, it's easy for maintenance and replacement. The protection rating of this led liner luminaire is high up to IP65, has a high dustproof and waterproof performance. Lamp Luminous Efficiency(lm/w):130 IP Rating:IP65 Warranty(Year):5-Year Place of Origin:Guangdong, China Color Temperature(CCT):3000-6500K Color Rendering Index(Ra):85 Support Dimmer:No Emergency Function:Yes Lifespan (hours):50000 Working Time (hours):50000 Product Weight(kg):1.9 Lighting solutions service:Lighting and circuitry design, DIALux evo layout, auto CAD layout Light Source:LED CRI (Ra>):80 Model Number:ZL-EWPLP40-4FT Brand Name:comled Input Voltage(V):AC200-240V Working Lifetime(Hour):50000