LM Monitored Through Beam Photo Eye AFC-018 number of full-length posts (21'

number of full-length posts (21' or 24') would depend on height of gate and how much length you want to put in the ground (we recommend at least 4-1/2' or more)

Easy installation and maintenance

75" spacing between the post and gate frame to operate properly

12V battery and directional visor clip included

LiftMaster Garage Door Openers with purple Learn button on the motorhead

LM Monitored Through Beam Photo Eye AFC-018 number of full-length posts (21'Performance Meets 2016 UL 325 requirements Long Range powerful beam provides reliable performance Sensing distance up to 90 ft. Anti Fogging Lens NEMA 4X rated Wireless network mode eliminates the need to wire between operators in dual gate applications Easy to see LED indicators (2) for instant feedback, emitter power, receiver misaligned or blocked Integrated Diagnostics with Gate Operator Speed Installation Compatible with LiftMaster Gate Operators