• British Standard      : BS5499: Part 2: 1986 / Part 1: 1990
• American Standard : ANS M540 / UL924

• No wire, batteries or sensors
• No electrical installation or maintenance
• 10 Year to 20 Years Life
• Total reliability-failsafe
• Waterproof
• Shockproof capabilities
• Sparkproof
• Money saving
• Simple installation
• Clear of all visual obstruction
• Green light output for maximum visibility in dark conditions. Minimum initial brightness of. 51 CD/M²

^{Hong Kong Switchgear Limited has co-developed with Signtex Inc., America's leading Self-Luminous Sign Manufacturer a series of Self-Luminous Signs to meet the specific requirements for Illuminated Exit Signs and Directional Signs by the Code of Practice for Minimum Fire Services Installation & Equipment for the HKSAR. The products are tested for both BS5499: Part 2 and UL-924.}

^{The EMC Series is self-powered by the low-energy radioactivity of Tritium Gas hermetically sealed within well-protected tubes. The life of the self-power depends on the amount of Tritium filled, effective life of the sign can be 10 to 20 Years.}