1、High UVB output, rated at 13W, energy saving lamp bulb. 2、This UVB lamp can stimulate appetite, activity and the reproduction of reptiles and amphibians. 3、It also helps with vitamin D3 synthesis and calcium binding, promotes healthy bone growth and calcium growth needs, prevent and improve bone metabolism problems. 4、Uvb5.0 is suitable for reptiles from tropical forests and subtropical regions. 5、Uvb10.0 is suitable for reptiles from tropical desert areas. Features: 1. High UVB output, rated at 13W, energy saving lamp bulb. 2. This UVB lamp can stimulate appetite, activity and the reproduction of reptiles and amphibians. 3. It also helps with vitamin D3 synthesis and calcium binding, promotes healthy bone growth and calcium growth needs, prevent and improve bone metabolism problems. 4. Uvb5.0 is suitable for reptiles from tropical forests and subtropical regions. 5. Uvb10.0 is suitable for reptiles from tropical desert areas. Specification: Condition:100% Brand New Material: plastic Color: As Pictures Shown Type: UVB 5.0, UVB 10.0(optional) Length: approx. 12.5cm/4.9in Package list: 1 * Reptile Lamp