LiftMaster CB202 control board for various LiftMaster gate automation motors, such as the 24v products within the SLY series. 

Features:

• Controller for 24 V sliding gate operators such as the SLY series.
• Automatic force and limit adjustment.
• Soft stop option is supported.
• Memory for up to 180 remote controls.
• Simple or automatic programming options.
• Connection for contact strip, 8.2 kohms.
• Pedestrian mode - Slides partially open.
• Automatic closing option.
• Connection for two safety photocells - Models 771/772.
• Connection for a battery back up.
• Connection for a key switch.
• Dimension: 119mm x 145mm (Control board only).