Orbit ESN-B-R-1-10 Self-iluminating Tritum Exit Sign Black Housing Red Fp 1f 10 YrsOrbit ESN B R 1 10 ESN B R 1 10 Product Description Orbit ESN B R 1 10 Self iluminating Tritum Exit Sign Black Housing Red Fp 1f 10 Yrs Specifications: Category: Exit Signs Full Technical Description: Tritium Powered, Self Illuminating Type; 12 3 4 Inch L X 1 Inch W X 9 Inch H Size; Black Finish; UL Approval; Wet Location Application; Surface Mounting; Non Radioactive, Non Explosion Proof; Single Face(S); Stencil, Left Arrow, Right Arrow Face Type;