Logisys Corp. 12VDC 4-Channel 2 Latch, 2 Momentary Remote Control (RM09) Functionality: wirelessly controls output of 12VDC on four individual channels (two - latch mode, two - momentary mode) Remote key fob: high quality 4 button remote control with sliding cover and metal hook for keychain. Key fob battery: 27A 12V DC battery included (battery can be replaced by unscrewing key fob cover) Applications: Security Systems, Electronic Anchor, Boat Applications, Remote Gates, Light Controls, Window Curtain Automation, 12VDC Motors, Remote Blinds, Garage Doors, Irrigation Pumps, Sprinklers, PC Molding, Traffic Signals etc.