Genie 37000r Garage Door Opener with 1/2 HPC DC Chain, 2022-2tx: * DC motor is a lighter weight providing quiet, smooth operation, soft start and soft stop * Provides 1-touch limit setting, meaning fewer trips up the ladder * Commercial-grade chain drive system is durable and provides a longer, more reliable life * Comprehensive Safe-T-Beam system meets or exceeds all UL, state, federal and CSA regulations as well as incorporating an auto reversing system and diagnostics * Genie Intellicode technology prevents unauthorized people from opening garage door by automatically changing the access code every time it"s used * Operates 7" or 8" doors with extension kit * Includes two 3-button transmitters, wall console and Safe-T-Beam * Model# 2022-2tx