【Lighting Sensor】The night light comes with a sensitive light sensor to detect the current ambient light level. Intelligently adjusts itself throughout the night. the brightness of night lights will be different under different lighting environments. the darker the environment, the brighter the night light It's a better guiding light.💡【Exact Brightness】Not too bright, not to dim, just the right amount of light to see where you are going in the dark, Allows you to get up at night, get some water, use the restroom and return to bed without turning on any main lights.💡【Energy Saving】The sensor night light uses 4pcs super bright LED, no bulb replacement, 12hrs each day, Less than 30 cents cost for annual power consumption. Probably not even enough to make any movement of your power meter.💡【Widely Applications】It is perfect for Kid's Room, Living Room, Bedroom, Bathroom, Hallway, Stairways, Corridor and anywhere you need a guiding light.