During the day, the 3W solar panels of the solar security light convert energy from the sun and stores it in rechargeable batteries. At night, the light turns on whenever something triggers the passive infrared motion detector. It has much more power output than other, similar solar models. And it is easy to hook up since it involves no complicated wiring like security lights that are connected to your household electric. And because you do not need to connect it to your electric system, you can place the solar security light just about anywhere you please. Features * Automatic on-off at dusk and dawn, and on-off switch * Passive Infra-Red motion detector 110 degree range * Three settings, .5min, 1.0min, 3.0 min. * Build-in protect circuit to prevent over charge * Light Output: 60 Watts * Comparable models, Retail Price: $99.95 * Easy ground stake for mounting. * 11.8% Efficient solar panel to reduce size and charge time. * Detects 60-90 ft away. * Internal Lead Acid battery provides power to the InfraSolite for up to 48 hours with no sun! (Replace every 4 years * ABS plastic and mounting screws to prevent vandalism * 1 year extendable warranty * Comliant with most local lighting ordnances * Require light assembly, 5 minute installation