Check the listing for details. Linear Wall Station HAE00001. Condition: New. Listed at 24.24 USD. This Linear HAE00001 is a 3 button Wall Station, for Linear garage door openers models LD033, LD050, LS050. This unit requires 2 wires to run to your garage door opener, perfect replacment for a door bell style button inside of your garage. Has a large button to open and close the door as well as on and off buttons to control the light in the opener, finally the unit has a slide switch which gives you the extra security of "locking" the door while you are away. Product Features: Activates one Linear garage door opener Works with LDO33, LDO50, DSO50, LSO50 or LDCO80 garage doors openers Back illuminated front push button helps locating it in the dark Large garage door open/close push button Smaller garage door opener light push button to turn garage door light on or off Slide switch to lock out remotes and provide added security while away on vacation One-Year manufacturers warranty Dimensions: 4.5 x 2.75 x 0.875 inches