The bulb emits infrared heat waves and is a typical heating lamp. (ES Fitting)
The spot lamp has a special build-in reflector to direct the heat in any direction required.
The red glass transmits Infrared waves produced by the special filament of the bulb.
The reddish light will not disrupt normal activity during night or day, which makes it an excellent 24 hours heat source.
Infrared Heat Lamp
Emits infrared heat waves
Excellent 24 hours radiant heat source
Increases the over all air temperature in the terrarium
Provides heat, essential for activity and digestion
Will not disrupt normal activity cycle
Ideal for nocturnal viewing
Can be combined with Repti Glo or Day Glo for a 24 hours cycle