Powerful Performance: our red heat lamp bulbs feature a power of 250 watts at a voltage of 120 volts; The American standard 120v voltage adds to the efficiency and viability of the bulbs, making them applicable across different scenarios and environments Ensuring Comfort for Your Pets: the gentle and warm light emitted by our bulbs creates a comfortable and secure environment for your pets, encouraging them to relax and rest better Reliable Material: enjoy the durability and longevity of our red heat lamp made from hard quartz glass; This robust material ensures that each bulb lasts up to 5000 hours, providing consistent radiance and quality for your various needs Easy and Safe Installation: our heat lamps are compatible with E26 bases, making easy installation; However, it's important to note that safe use is paramount; Avoid using the bulbs when the voltage is unstable and remember, our product is not waterproof Versatile Application: wherever you need a warm and relaxing light ambiance, our bulbs deliver; Apart from home usage, they're suitable for canteens, farms, bathrooms, and more; Moreover, they are ideal for reptile breeding and food insulation Features: Vibrant and comforting red color: Experience the soothing and warm of our bulbs' red light emission. This inviting color does not only add to the aesthetics of your space, but it also allows your pets to conserve their sense of security and comfort without irritating their eyesight. Convenient package inclusion: Each package includes 4 red 250 watt heat lamp bulbs, ensuring that you have an immediate back up at your disposal. Specifications: Material: hard quartz glass Main color: red Size: 250 watts, 120 volts Package includes: 4 x Red heat lamp bulbs Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please do not use it with dimmers, thermostats and rheostats. Do not directly touch the water source when the power is on. If applied to keep animals warm, please keep it at a certain distance from the animal. The surface of the bulb may be hot, so do not touch the surface with your hands when working. Do not switch light bulbs frequently.