Your reptile needs to keep warm and well lit during daylight hours to thermos-regulate for health, and you can give them that heat and light with a ProRep Basking Spot Lamp.
Sold to work with either ES (Screw) lamp fittings and in a range of different wattages and light outputs to allow a perfect match with your reptile, it creates a hot spot in your vivarium or terrarium where UVA light is at its' most intense under which your reptile can bask, soaking up the warmth and light they need to thrive.
Best used with dimming thermostat to accurately maintain the right temperature in your reptile's home.