Ala. Code § 32-5A-374: Manually Operated Photographic Speed Enforcement Systems.

(a) ALEA may use a manually operated photographic speed enforcement system to monitor motor vehicle activity in a work zone as necessary to assure the safety of the work zone. The system shall be operated by a law enforcement officer in a manner that combines a manually operated camera system that works in conjunction with an electronically operated speed detection system to record digital imaging of a motor vehicle that is speeding.

(b) The Secretary of ALEA may adopt rules, including emergency rules, to implement this section and to establish uniform procedures for law enforcement officers operating under this article.