Remote Incandescent Emergency Lamp Head Square 1 Head - Square Head Emergency Lights for added safety.Remote Incandescent Emergency Lamp Head Square 1 Head features include: Use only with incandescent remote capable emergency lights & remote capable combo exit/emergency lights Use only with the following Incandescent Exit/Emergency Fixtures: Model# 73034-73037, 73122, 73166-73180, 73397 DO NOT USE with LED Emergency lights and LED Combo units Order Qty of 1 = 1 Piece Below is more info on our Remote Incandescent Emergency Lamp Head Square 1 Head