High practicality: This product has high practicality and can be used in many places, making it very convenient to use.【Professional Reptile Heat Bulbs】The professional 50W reptile turtle bulb can provide UVA and UVB spectrum light for the turtle, which can help the turtle get healthy, and the reptile heat lamp bulb can also provide heat for the turtle and othersProvide reptiles that can let the reptiles be more active.【Reptile Lampshade】Can adjust the bulb to anywhere in the reptile tank and the lamp holder is made of ceramic material that can withstand high temperatures.The horn-shaped lamp shell design can concentrate the light on the reptiles in the tank.【On/Off Timer and Dimming Function】Our turtle lamp has a light intensity controller, which can control the light intensity of the reptile lamp to provide the most comfortable conditions for your reptile animals and when to turn off.2H light on means the light for 2 hoursis switched on.For example, if you press the "clock" sign to 8:00 and when the 2H light is on, the light will be on from 8:00 to 10:00 daily.There are 2H 4H 8H options for you.