Exo Terra Night-Glo Moonlight A19 Lamp, 50-Watt (4 Pack) Pack of 4 Exo Terra Night-Glo Moonlight A19 Lamp, 50-Watt Moonlight lamp; Simulates natural moonlight Provides tropical night time temperatures Stimulates breeding behavior in reptiles and amphibians A19 bulb; Combine with Repti-Glo or Sun-Glo for a 24-hour cycle