For indoor use, such as the bedroom, living room, washing room and the passage.
$9 For 4.
After connect with the power, the LED lamp will be on automatically only if the surrounding light is dull and it will be off automatically if the surrounding light is bright. (If the surrounding light is bright but you want to the LED lamp is on, just need to cover the sensor of the LED lamp).
The cover adopt imported ABS environmental protection material.
LED light is safe and save the power.
With long life: working time more than 12000Hours.