Illinois Lock Company’s new E903 i-LOCK is a configurable electronic cam lock with an easy-to-use interface. It features 32 programmable codes: one Master Code, one Sub-Master Code, and up to 30 User Codes. Each code can be between four and six digits long. The electronic lock is powered by two AAA batteries that are good to up to 15,000 operations. In the event of a dead battery, the E903 features a mechanical override with a lock cover for protection.