SENSITIVE HUMAN MOTION SENSOR: Adopting Human infrared induction technology and unique light control design, automatically light up when detecting human movement and light off after human left. SOLAR POWERED: High conversion solar panel design absorbs light power quickly, cost-saving, user-friendly, energy-saving, eco-friendly. EXCELLENT MATERIAL: Making good use of excellent Nano material for high reflective shade which provides you high brightness, improving 35% brightness than similar product. PERFECT ILLUMINATION: High bright SMD 2835 LED beads, flicker-free, anti-glare light without strobes and radiation, it can keep your eyes away from exhaustion. WATERPROOF BUTTON: The on/off hole is designed as an invisible switch for waterproof reason so you can use the supplied key pin to insert the on/off switch hole.