1. The induction lamp works only in dark conditions,so basically it will not light up under bright nght

2. The fixing method is magnetic suction type. Peel off the adhesive on the back of the magnet in the package and stick it on the wall or cabinet. The induction lamp can be sucked on the magnet. Easy to pick and place

3.The induction lamp has no switch. When passing it at night, it will work