1.Dimming and Timing Functions reptile heat lamp with clamp dimming and timer functions. Simply press the +/- button to adjust the bulb's brightness and temperature for different temperature environments to meet your reptile's needs. The timer function can be set to 2, 4 or 8 hours, giving you the flexibility to choose the length of heat according to different feeding needs and schedules. 2.Reptile UVB Heat BulbsTwo 50W UVA UVB reptile bulbs are included with the product, providing 3% UVB and 97% UVA as well as a strong and stable heating effect. UVA helps to increase reptile's vitality and appetite; UVB promotes the synthesis of Vitamin D3 in reptiles as well as the absorption of calcium and providing the living environment for reptiles. 3.360° Flexible Rotation DesignThe basking light support 360° rotation and bending, and can be adjusted to any lamp direction. It provides all-round heating, eliminating the need to frequently adjust the position of the light fixture. The flexible swivel function allows you to adjust the angle of illumination at any time according to the arrangement of the terrarium, ensuring that every corner receives sufficient heat to optimize the space for reptiles. 4.Sturdy & Easy to InstallMade of high quality materials to ensure and durability for long time use. The non-slip fixing clips are firmly designed and can be easily fixed on the top or side of various reptile tanks, not easy to fall off, use with peace of mind. Suitable for all kinds of glass tanks, terrarium, turtle tanks, aquariums, fish tanks.