Zoo Med's Day/Night Tropical Lighting Kit Includes: Mini Combo Deep Dome: Dual ceramic sockets for use with lamps up to 160 watts (each socket). Dual on/off switches for greater convenience. Daylight Blue Reptile Bulb 60 watt: Bright, naturalistic daylight bulb for heating reptile or amphibian terrariums. True blue glass (not painted or coated) for better heat transfer made of European quality for long burn life. Nightlight Red Reptile Bulb 60 watt: Perfect Nightlight heating bulb for viewing the nocturnal behavior of your animals. Very little visible light provided so as not to disturb your animal's sleeping patterns. True red glass (not painted or coated) for better heat transfer made of European quality for a long burn life.