LiftMaster Photo-Eye (N4, One-Sided, Monitored) | LIF-CPS-RPEN4 K74-34392 31 Security (permission) Levels -

31 Security (permission) Levels - 29 Programmable (2 fixed levels)

For use with various 3/4 HP LiftMaster® AC Chain Drive Garage Door Opener models

Components: Adjustable Padded Canvas Shoulder Strapsm

000 users in multiple access configurations (card only

LiftMaster Photo-Eye (N4, One-Sided, Monitored) | LIF-CPS-RPEN4 K74-34392 31 Security (permission) Levels -LiftMaster Photo Eye (N4, One Sided, Monitored) LIF CPS RPEN4 Features The first monitored UL 325 compliant retro reflective photo eye Built in polarized beam technology sends and receives beam through two polarized filters to avoid interference from shiny objects Powerful enough to detect obstructions and communicate with the reflector up to 50 ft. away in most commercial door applications Requires power only on 1 side of the installation; reduces