Solar Induction wall lamp HW ( 669)- 2wSmart Solar Wall Light. No Wiring. No Bills. The Solar Induction Wall Lamp HW 669 is a sleek, energy efficient outdoor light that automatically detects motion and lights up your pathways, garden, or entrance powered entirely by the sun. Why You'll Love It: Solar Powered Charges during the day, lights up automatically at night zero electricity cost 120 Motion Detection Wide angle sensor activates the light the moment someone approaches 600 Lumens