The product is not only double-sided adhesive but also comes with a strong magnet that can be sucked on the iron cabinet at any time, a more humanized design Intelligent light sensing, when there is enough light, it will not light up whether it enters the sensing area or not In places where there is not enough light when the human body enters the induction zone for activities, it lights up immediately When a person leaves the induction area, the induction light will automatically turn off in about 15 seconds If a person remains in the zone, the light will always be on Please conduct the test in a dark environment, the light will not illuminate in a bright environment Please do not install the light in a humid environment, near heating ducts, air conditioning vents, or other hot and humid environments, as this may cause irregularities in operation Specifications: Name: led square sensor light Power supply: 3 x AAA dry batteries (not included) Light source: 6 bright LED light beads Product size: 80 x 80 x 20mm Weight: 57g/Pc Certification: CE, FCC, ROHS Product testing steps: Install the battery horizontally (cover the light with your hand): the light beads are normal The induction lamp will be put into the dark box and wait for the light to go out, then the collection will be explored into the box or cover the lampshade with the palm of your hand for 10S, the light is normal induction The sensing distance of human movement will change according to the ambient light, the darker the light the farther the sensing distance, and the sensing distance can reach 5m