... no people management. 4)Waterproof and shock resistant 5)Nearly recharge themselves at nearly all kinds of conditions ... colorsRed, amber, green, blue, white, infred LEDVertical degree> ±3.5° at 50% intensityHorizontal degree360Light sourceLEDLED life≥100,000 hrsElectrical ... CharacteristicsAutonomy>21 days(12hour darkness,12.5%duty cycle)On/off level60/100 LuxFlashing ratecomplies ...