SimonsVoss Technologies offers the most power-efficient locks available, featuring only two small coin-cell batteries that last for 150,000 operations. The ingenious battery management system ensures that you are never locked out because of battery failure. Each lock provides timed operation, audit records and multi-level access control and is operated wirelessly with an active transponder, passive card reader or keypad. All access decisions are made at the lock and the locks operate as standalone devices or as part of a wireless or wired network. SimonsVoss Technologies has now been confirmed as a leading supplier of electronic locks in a recent study by the renowned market research company IMS Research. More than 7,000 systems installed all over the world have proven the quality of our products and the validity of our technology. www.simons-voss.us