For sale is a vintage Underwriter Laboratories fire/burglary warning system control unit. Gray metal box measures approximately 10″ inches x 9″ x 3. Inside is a vintage ADT Safewatch Plus/Entrepreneur Security control module/motherboard. Original Rechargeable Sealed Lead acid battery included. This item was last maintained or installed in 1996. Being 30 years old: The box has some stains/rust. The box has been sanitized and cleaned with rubbing alcohol. The box with components is quite heavy.