This night light lights up by the brightness of light.
The photoconductive resistance inside the night light detect the external light. While the external circumstance be darkened, the photoconductive resistance control to turn on the circuit, then the night light start lighting.
While the external circumstance brighten to the critical point of photoconductive resistance, the circuit cut-off automatically, then the night light turns off to save electricity.
CAUTION:
Risk of shock and fire hazard. This product is not a and is not intended for use by children. FOR ADULT USE ONLY.
For safe use, plug only into exposed wall outlets where device is ventilated and cannot bed coverings or other material. Do not use with extension cords. High brightness inside. Bright enough to see where you're going in the dark without turning on other lights. Lights up at dusk, turns off at dawn automatically. It lasts up to 100000 hours no worry about bulb replace. Energy efficient 0.5W without excessive electricity. Cool to the touch. Low maintenance cost, convenient to use and so on. Package: Includes 2PCS night lights; Dimension: 3 in W x 4.5 in D x 1.4 in H (76mm x 114mm x 30mm); Net Weight: 60g. night light set is perfect for the bathroom, bedroom, hallway, stairway, kitchen, living room or anywhere you need a guiding light. It also portable for travel. Unique pattern and square acrylic material flat against the wall gives off a diffused light; the non-polarity plug does not block the second outlet on the wall.