For the cost of shipping your item please add the item into the shopping cart. Once the part is in the cart fill out address information in the cart under the Shipping area in the Summary section. Our system will then calculate the shipping fee based on your location and the weight of the product. This is all done before you are asked to provide payment information.
The Liftmaster 833-1LM is a single add on intercom that provides convenient and expandable communication for your home.
•Up to 1,000 foot range – no power connection required
•Crystal clear, secure 900MHz digital communication
•High-tech design and modern look blends in with today's tech-friendly, contemporary homes
•Advanced features include voice activation and monitor mode
•Broadcast to all channels simultaneously or speak to one party with Secured Link
•Single or multi-channel communication
•Expandable with additional units (up to 12 per network) to enhance your home's communication to multiple locations
•Easy to use – installs in minutes
•2-year battery life; requires four AA batteries per unit (not included)
•Compatible with the following LiftMaster® wireless intercoms: models 833-2LM, 831-2LM