1. Energy Savings: 4W E12 LED Candelabra Light Bulb, equivalent to 40 Watt incandescent light bulb, save 90% electricity. NOTE: This E12 LED bulb is not dimmable, please DO NOT use it with dimmer switch. 2. Excellent Performance: Each e12 led bulb is Warm white 2700K, Not dimmable, 400 lumens, giving you a gentle and comfortable environment. 3. Durable: Long to 20,000 hours lifespan, reduce bulbs replacing frequency. No mercury, UV or IR, it is safe for you and your family. 4. Buy with Confidence: We are committed to providing our customers with products, we are dedicated to ensuring your fully satisfaction. Our company provides customers with service of 18 MONTHS. Please contact us when you have any problem, we will solve the problem for you as soon as possible. 5. Easy Installation: Standard American E12 Candelabra screw base, install easily. Good choice for the decorative lightings, perfect for e12 candelabra led bulbs 40 watt, e12 40w led chandelier light bulbs, ceiling fan bulbs,led candle light bulbs, 40 watt candelabra bulbs, e12 40 watt bulb, light bulbs 40 watt,etc. 6. Energy Saving: This 4W LED filament bulb can replace your current 40W incandescent light, with full brightness in 400 lumens, to provide bright warm white light and improve ambiance, energy-efficiency and comfort. Plug and play, saving labor and electricity cost. 7. Safety: Quality assurance reduce the risk of fire hazard, electric shock and personal injury which makes you and your family safe. 8. Application: Indoor lighting for Home such as Kitchen, Living Room, Dining Room, Bedroom, Hallway; industry, commercial and residential such as hotel, room, office, hospital, school, factories, museum, shopping mall, supermarket, restaurant or any other places where accent lighting is required. 9. Product Specifications: Not Dimmable; Base Type: E12; Color: 2700K Warm White; Luminous Intensity: 400lm; Watts: 4W; CRI: 80; View Angle: 270 degree; Input Voltage: 120V AC; Incandescent lamp Equivalent: 40-watt; Diameter: 35mm, Height: 99mm; Lifespan: 20000 Hours. 10. Package: 10 E12 4W LED Classic Candelabra Bulbs Warm White 2700K