- IET Overall Company Capabilities Brochure (PDF)
- IET Gates and Turnstiles Capabilities Brochure (PDF)
- Fiber Optic Cabling Brochure (PDF)
- CCTV Surveillance Brochure (PDF)
Security Industry Math Formulas
- Click here to visit IET's Security Industry Math Formula Reference online.
- Click here to download IET's Security Industry Math Formula Reference (PDF).
- GAISMA - Gaisma website provides sunrise, sunset, dusk and dawn times for thousands of locations all over the world. Sun data is shown in table format for selected dates and as a graph for the whole year. Possible daylight saving times are taken into account.
- NOAA Solar Calculator - Find sunrise, sunset, solar noon and solar position for any place on Earth.
- Solar Insolation Map - Map of U.S. Typical Winter Peak Sun Hours (PDF).
- MK Battery Technical Manual - Technical manual for MK Battery Sealed Valve Regulated (SVR) Gelled Electrolyte Lead-Acid Batteries (PDF).