Product Type: 75W Reptile Red Light Infrared Heat Bulb - 2 Pack<br> Specification: <br> Socket: E26 / E27 Screw Base <br> Voltage: AC 110-120V <br> Color: Red<br> Size: Diameter 3.03 inch x Height 4.33 inch <br> Package Includes: <br> 2 x Infrared Heat Lamp (Red) <br><br> How to effectively extend lamp lifespan:<br> ★ When infrequent use, do not hinge the switch box forcely, avoid vibration,or it will seriously reduce the lamp lifespan.<br> ★ Do not connect the thermostat and other equipment to use, because it will cause the light to be switched frequently, that reduce lamp lifespan.<br> If you have to use a thermostat, please try to use multi-temperature point thermostat (damaged lamp warranty exclude using of thermostat).<br> ★Work up to 3-5 hours per day, because long hours of high temperature working could easily reduce the lamp lifespan.<br> ★Please don't turn on bulb immediately after turned off, because the sudden arrival of the electric pulse connect the original high temperature bulb may directly burn the bulb.<br>