1. Brand new and high quality. 2. The LED light is controlled by PIR sensor switch, it also has light control function, with 6pcs of high brightness LED lamps loaded inside, using 3pcs of AAA batteries(not included the battery) supply power. 3. The product loaded 1pcs of magnetic iron inside which can adsorbed it on the surface of iron-made products(such as refrigerator), meanwhile a 3M double-sided adhesive is proveded to adhere to the surface of non-metal places. 4. By adopting PIR sensor and light control function, the LED lamps will light on automatically once it detected human activities under black environment, it will turn off automatically 20 (+-5) seconds after human activities or man left, it won't light if the surrounding comparatively bright.