The small 75W full-spectrum halogen lamp is made of high-quality glass,including a durable wick to prevent anti-aging and three-dimensional reflections,which strengthens the ultraviolet spectrum. This daylight bulb is with 97% UVA stimulate appetite and 3% UVB promote vitamin D3 synthesis,fully absorb calcium,and 3.0 UVB could provide adequate UVB radiation. It has obvious preventive and ameliorative effects on turtle back phenomenon,as well as warming to help digestion This full spectrum heating bulb is simple and easy to install,it just screw it into a standard E27 screw base,used for a wide variety of reptiles and amphibians including turtles,lizards,bearded dragons,snakes,frogs,iguanas,tortoises,chuckwallas ,etc. . The input voltage of this heat lamp is AC 110V-120V,the power is 75 watts,the actual size is diameter 2.0 inch x height 2.0 inch PLEASE NOTE: 1. Please light 3-5 hours a day,because long hours of high temperature working can easily shorten the lamp life; 2. Please do not turn on the lamps immediately after turning them off,because the sudden arrival of the electric pulse with the original high temperature lamps may burn the lamps directly. 3. The surface temperature of the bulb is high when working,please do not use your hand to test the temperature,also please adjust the distance between the heat lamp and pets.