Check the listing for details. Dusk to Dawn LED Sensor Light Bulb E27 9W Automatic On/Off Energy Saving Lamp. Condition: New. Listed at 8.99 USD. Dusk to Dawn Light Sensor Bulbs, 9W(100 Watt Equivalent) LED Auto On Off Light Bulbs, E27 Base, Cold White 6500K LED Smart Sensor Lights Outdoor Indoor for Porch Garage Yard Feature: Dusk to Dawn Light Bulbs, Light up Your World! 1. DUSK TO DAWN FEATURE: Built-in sensors that turn on the dusk to dawn light bulb automatically at dusk and turn it off when it's dawn. This eliminates the need to physically turn the bulb off and on. 2. ENERGY SAVING: The dusk to dawn Light bulb uses less power compared to traditional bulbs and, therefore, cuts your electricity costs. 3. LONG LIFE: The outdoor smart light bulb is made of plastic mask according to the LED chip unique cooling requirements thus ensuring long life. 4. IMPROVED SECURITY: The outdoor sensing light bulb will light up your home even when you are not around as long as it is dark. Specification: Power: 9W Material: Aluminum + PC Input Voltage: AC 85V-265V Base: E27 Beam Angle: 270 degrees Color: Cold White 6500K Application: This dusk to dawn led outdoor lighting is suitable for use in the hallway, garage, washrooms, basement, garden, pavement, workroom, laundry room, patio, closet, porch, stairways, and storeroom.