LINEAR Garage Door Openers HAE00002 Safety Sensor Kit LSO, LDO by LINEAR Linear Safety Beam Sensors HAE00002 for Garage Door Openers LSO50, LDO33, LDO50 Compatible with Linear garage door openers including these models: LSO50, LDO33, LDO50 Includes Safety Beam Sender, Receiver, 24 Wire Leads and Gel Cap connectors to Splice With Existing Wiring Please note: Does not include sensor mounting bracket