- Non-electrical, internally illuminated by sealed tritium gas light sources
- 100% reliable, maintenance free and always on. Requires no external light source, electrical power, wiring or batteries
- As there is no electrical ignition source, the INH is suitable for use in hazardous atmospheres, damp and wet locations. Meets NEC Article 500, Class 1, 11 and 111 conditions
- Green light output for maximum visibility in emergency conditions
- 125 foot visibility rating
- Available in service life ratings of 10, 15 or 20 years
- Tested, approved and listed by Underwriters Laboratories to UL 924
- Limited warranty for the rated life of the product

- Heavy cast aluminum frame (Single Face Sign) or heavy extruded aluminum frame (Double Face Sign)
- Beveled edges and rounded corners withstand high impacts without damage
- Tamper proof mounting hardware prevents unauthorized removal
- Standard exterior finish, brushed aluminum with clear lacquer coating. Custom paint or anodized colors available
- Aluminum stencil face with field selectable chevron directional indicators
- Polycarbonate shield seals lamp compartment and prismatic refractor lens
- 3/8" clear polycarbonate face shield provided with mounting hardware
- Special Green Legend Option (GL) provides a green illuminated legend apparent in both dark and ambient lighting conditions. Available in 10 and 15 year rated signs with red, black or white background