Exo Terra Repti Glo 5.0 Tropical Terrarium Lamp, 25-Watt, 30-Inch Repti glo 5.0 tropical terrarium lamp has a moderate to high UVB output It prevent direct sunlight from reaching them or their basking sites Ideal for all tropical and sub-tropical reptiles This product weight is 0.4-pound Measures 30-inch length