Lamp module is constructed of plastic and includes a fixing collar. This listing is for each. Technical Specification Item Lamp Module With Bulb Lamp Module Voltage 24 to 120VAC/DC Color Yellow Lamp Type LED Lamp Voltage 24 to 120VAC/DC Terminal Connection Screw Clamp Size 22mm Material of Construction Chrome NEMA Rating 1, 2, 3, 4, 4X, 12, 13 IP Rating 20 Standards EN/IEC 60947-1 : EN/IEC 60947-5-1 : EN/IEC 60947-5-4 : EN/IEC 60947-5-5 : JIS C 4520 : UL 508 : CSA C22.2 No 14