Specification: Light socket: E27. Voltage: 110V. Wattage: 50W. Shell color: grey, blue, red. Light color: white, warm white, red. Material: glass. Dimension: 9*5cm(H*D). Feature: This 50W infrared heating lamp is made of high-quality glass, it has a perfect heat radiation feature, more efficient and longer lasting. This heat bulb is simple and easy to install, just screw it into a standard porcelain E26/E27 screw socket (ATTENTION: Use only with a porcelain socket, because the plastic socket may melt the lamp holder). Great for pet, lizard, tortoise, snake, spider, shameleon, turtle, all reptiles & amphibians. This heat lamp's input voltage is AC 110V, power is 50-Watts. This heat lamp provide red comfortable light and heat source for pets, could promote pets blood circulation, speed up metabolism, promote wound healing, promote reptile sleep. ATTENTION: 1. Please turn on 3-5 hours per day, because long hours of high temperature work can easily reduce the bulb's lifetime; 2. Please do not turn on bulb immediately after turning off, because the sudden arrival of the electric pulse with the original high temperature bulb may directly burn the bulb; 3. Bulb‘s surface temperature is high when working, please do not use your hand to test the temperature, also please adjust the distance between the heat lamp and the pets. Package included: 1x 50W pet heating bulb