Liftmaster 50505G Green Light Audible/Visible Warning Devices
Vaportight light with green colored lens. Use up to 100 watt, 115VAC (bulb not included). Auxiliarly limit switches or auxiliary contact blocks to control warning devices may be added to the operator at the time of order (see door operator modifications) to allow for connection of warning devices. For further information, contact your LiftMaster sales representative.
WARNING: It is strongly recommended that audible/visible warning devices be included in every operator installation.