ACMESHINE Smart 16 LED Super Bright Waterproof Solar Powered White Light Motion Sensor Outdoor Garden Patio Path Wall Mount Gutter Fence Security Lamp Light-2 Pack Two working mode optional: With motion sensor lighting 30 seconds when actived for energy saving or working without motion sensor , keep full bright for entire night.(Switch control) Solar powered, no need of exchanging batteries, no wire or cables installation, easy to fix on wall. On by day, off by night; Bright light and Dim light auto changed by sensor activating. Modern, stylish and simple design. Aluminum body, fade resistant, IP-65 waterproof and heatproof. 0.66 Watt solar panel, 17% efficiency. Solar panel life span 5 years - LED Life Span - 50,000 hours.