it is actually one of the most essential components in the building of a chain link fence

It is sold by the Each

Prevents pass back of cards and codes for a pre-programmed amount of time

attached the chain link mesh

7-Day Digital Timer, 24V 96CommercialGalvanizedChainLink it is actually one ofAlso known as: G26DGI16 7 Day Timer Used to automatically open or close a door at pre programmed times. Includes manual override and battery back up. Not for use with Solid State Logic Control Board (L). WARNING: Automatic door operation can cause serious injury or death. Do not use this device without entrapment protection equipment, audible visible warning devices, clearly posted warning signs, and an emergency STOP button near the door.