Suggested replacement is Honeywell 5834-4
Honeywell's 5800 family of wireless remotes gives you personalized control of your security system, the added convenience of controlling lights, appliances and garage doors and the security of knowing that emergency help will arrive with the touch of a single button.
From the basic 5804-2 two-button remote to the advanced 5804BDV bi-directional device that actually speaks system status in plain-English, the 5800 family of wireless remotes is easy-to-use personal protection that you can take anywhere you go. The wireless remotes make Honeywell systems much easier to operate and provide an extra level of convenience, comfort and peace of mind you will really appreciate. The wide array of wireless remotes gives you the flexibility you need for any wireless application.
Four completely programmable buttons
User replaceable, long-life lithium batteries
Remote operation of lights and garage doors
Dimensions: 2.25" H x 1.5" W x 0.5" D