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🔐 Elevate your garage security—because your peace of mind deserves the smartest lock in town.
The LiftMaster 841LM Automatic Garage Door Lock is a sleek, polished 12V deadbolt lock that automatically synchronizes with select LiftMaster garage door openers to provide seamless locking and unlocking. Featuring smartphone monitoring via the myQ app, audible lock confirmation, and the option for dual-side installation, it offers enhanced protection against intruders and severe weather. Compatible only with specific LiftMaster models, this modern security upgrade weighs 1.36 kg and installs easily with a screw-in design.
| ASIN | B074L9JQQR |
| ASIN | B074L9JQQR |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (205) |
| Customer reviews | 4.2 4.2 out of 5 stars (205) |
| Date First Available | 14 February 2018 |
| Date First Available | 14 February 2018 |
| Finish | Polished |
| Global Trade Identification Number | 00012381185740 |
| Installation type | Screw In |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.36 Kilograms |
| Item model number | 841lm |
| Item model number | 841lm |
| Manufacturer | Liftmaster/Chamberlain |
| Manufacturer | Liftmaster/Chamberlain |
| Number of pieces | 1 |
| Part number | 841lm & AOD Service Kit |
| Product Dimensions | 21.59 x 11.43 x 10.92 cm; 1.36 kg |
| Product Dimensions | 21.59 x 11.43 x 10.92 cm; 1.36 kg |
| Recommended uses for product | Securing and locking/unlocking a garage door in conjunction with a compatible garage door opener |
| Shape | Rectangular |
| Special Features | Auto-Lock |
| Style | Modern |
| UPC | 757347279797 012381185740 |
| tech_spec_battery_description_toys | Lithium |
S**T
As described. Works well
M**T
Easy fix
P**E
Safe and sound
C**S
Was delivered on time, and I had no problems installing on track. My garage track already had the predrilled holes on them, so all I had to do was screw the device in. The lock works great, easy to install and I will buy a 2nd for the other side. I recommend this lock if your LiftMaster has the shield icon, it does add more security to the garage door from being lifted. Once I press the garage button, the lock automatically unlocks and when it’s closing, the bolt engages and locks.
L**S
The item arrived damaged and never worked correctly. If the item is damaged, there is no refund directly from the seller. They insist you work with the manufacturer. The manufacturer's warranty only covers replacement, and they have no coverage for the extra service costs. I do not recommend this item or its sellers.
Trustpilot
1 week ago
2 weeks ago