SPECTSUN Brand Story SPECTSUN was founded in 1990 as an all-around enterprise engaged in the development, production, sale and service of lighting and electrical products for markets worldwide. We incorporate state of the art technologies in product design and manufacturing processes. The combined technologies of LED light sources, rechargeable battery expertise and compre-hensive plastics molding capabilities makes us the premier supplier to a number of international companies.With a quality tradition that dates back to 1997, SPECTSUN passed ISO9001 in 1998 and has maintained its ISO as a commitment to international practice. 3 Generation LED 5 years lighting lifetimeSuperb manufacturing ABS Horusing Material resists discolorationInjection-molded,Thermoplastic material Super Long Life Battery 50000 Hours Work Time300 Times Cyclic Charge90 mins emergency operation Led Red Exit Sign Led Green Exit Sign Led Red Exit Sign Led White Emergency Ligthing Led Green Exit Sign Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 4.4 out of 5 stars 114 3.9 out of 5 stars 23 4.0 out of 5 stars 38 4.3 out of 5 stars 90 4.3 out of 5 stars 102 Price $29.99$29.99 $54.77$54.77 $169.99$169.99 — no data $123.77$123.77 Battery Lifetime 27000 mins 27000 mins 27000 mins 27000 mins 27000 mins Quality promise 5 years 5 years 5 years 5 years 5 years Back-up Battery no data no data no data no data no data AC no data no data no data no data no data