LiftMaster Model 81602
GARAGE DOOR OPENER
DC Battery Backup Chain Drive Wi-Fi Garage Door Opener - Trusted reliability with battery backup.
SERIES
Contractor
DRIVE
Chain
HORSEPOWER
1/2
MOTOR WARRANTY
4 year
BATTERY WARRANTY
1 year
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Motor
12V DC, 53 RPM, automatic thermal protection, permanent lubrication
Mechanics
▪ Steel chassis, T-rail and trolley, full chain drive mechanism (63:1 gear reduction and adjustable door arm)
▪ Auto-force adjustment for changing weather and environmental conditions
▪ Electronic limits for easy setup
▪ DC Wi-Fi logic board with built-in surge suppressor (for replacement logic boards, order part 050DCTBFMC)
Power
120V AC, 60 Hz voltage, 2.7A current rating, UL® Listed, 4' power cord (3-prong)
Speed
8.5" per second upward, 6.5" per second downward
Lighting
Max. 1 100-watt lightbulb; Adjustable-time
solid-state delay; Enhanced CFL (compact
fluorescent) compatible, max. 26 watts;
Disabled in battery backup mode.
Dimensions
| Rail Options: | 7' | 8' | 10' |
| Installed Length: | 128" | 140" | 164" |
| Max Opening: | 7' 6" | 8' 6" | 10' 6" |
Headroom clearance required: 2''
Warranty
4 Year: Motor
1 Year: Battery, Parts and Accessories
Security+ 2.0
Radio controls:
Operating range: ~200’; Operating temperature: -30°F to
150°F; 3-Button Remote Control (893LM); Garage Door Opener
Battery (485LM); Remote Control: Security+2.0; Garage Door
Opener: Security+2.0; Security+ 2.0 Anti-burglary coding.
Encrypted controls:
Multi-Function Control Panel (882LMW); Program remote
controls; Maintenance alert system; Easy Wi-Fi setup.