Sun Glo Neodymium Daylight Lamp for reptiles simulates sunlight for your reptilian buddy. It helps your reptile feel at home in his terrarium using realistic lighting. It's idea for desert and tropical terrariums. Broad spectrum daylight bulb for terrariums. Creates heat gradients for thermo-regulation. Increases ambient air temperature. Stimulates natural behavior through UVA rays. Can be combined with Night Clo or Heat Glo for a 24-hour cycle.