Led Sensor Lamp 220V 110V Dusk to Dawn Light Bulb E27 B22 IP44 Auto ON/OFF with Sensor Smart Light Bulb 10W 15W Day Night Light 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 le 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. These are some of the features of the Dusk to Dawn LED Sensor Bulb: -It has a built-in light sensor -This dusk to dawn led outdoor lighting turns on automatically if it continues to be dark -It automatically turns on at dusk when the illuminance is le than 15 LUX and turns off automatically at dawn when the illuminance is greater than 40 LUX. -Lighting cycles automatically only if dark conditions exist. -Automatically turn on at dusk(40LUX) -Energy saving -Increase in security -High Bright -Long life Span Product Specification: Power: 10W/15W Material: Aluminum + PC Luminous Flux: 1020 lm / 1520lm Input Voltage: AC 85V-265V Base: E27/B22 Beam Angle: 270 degrees Color: Warm White 2700K / Orange Yellow 2000K / White 5700K 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. Note: Keep Bugs Away -- Orange yellow 2000k, 530-590nm wavelength , give off a cozy yellow light, help you repel bugs, avoid mosquito bites.