Liftmaster 41a4373a Garage Door Opener Safety Eyes, Black

The 41A4373A Sensors are Replacement Safety Sensors (infrared eye) fo993-late 1990's operators with the Safety Sensor option. Billion code serieith the Green LED lightNot compatible with sensors that have Red LEights If your sensors have a green light on one sensor and an orange lighn the the other, you need the 41a5034 sensors.