Energy Savings: 4W E12 LED Candelabra Light Bulb, equivalent to 40 Watt incandescent light bulb, saves 90% electricity. This E12 LED bulb is not dimmable and should not be used with a dimmer switch. Excellent Performance: Each E12 LED bulb emits warm white light at 2700K, provides 400 lumens of brightness, and creates a gentle and comfortable lighting environment. Durable Design: Offers a long lifespan of up to 20,000 hours, reducing the need for frequent replacements. Contains no mercury, UV, or IR emissions, making it safe for household use. High Quality and Safety: Built with quality assurance to reduce risks of fire hazard, electric shock, and personal injury, ensuring safety for you and your family. Easy Installation: Features a standard E12 candelabra screw base for quick and simple installation. Suitable for decorative lighting applications such as chandeliers, ceiling fans, and candle-style fixtures. Energy Efficient: Replaces 40W incandescent bulbs with 4W LED technology, delivering 400 lumens of bright, warm white light while improving energy efficiency and ambiance. Instant full brightness with no warm-up time. Application: Ideal for indoor residential lighting in kitchens, living rooms, dining rooms, bedrooms, and hallways. Also suitable for commercial settings including hotels, offices, hospitals, schools, museums, shopping malls, supermarkets, and restaurants where accent lighting is needed. Product Specifications: Non-dimmable, E12 base, 2700K color temperature, 400 lumens, 4W power consumption, CRI 80, 270-degree beam angle, 120V AC input voltage, equivalent to a 40-watt incandescent bulb, dimensions: 35mm diameter, 99mm height, lifespan: 20,000 hours. Package Includes: 10 x E12 4W LED Candelabra Bulbs, Warm White 2700K.