3 Colors Built In With a Push Of A Button (Bright White, Candlelight, Blue)3 LEDs Illuminated SimultaneouslyReplaceable AAA NiMH Rechargeable BatteryAuto On/Off at Dusk and DawnWaterproof For Heavy Rain, Wind, and SnowNo wiring neededInstalls in minutesNOTE: Duration of light output varies directly with the amount of sunlight exposure. Expect less burn time when daylight conditionsare shorter, overcast, or cloudy.Light is shipped in the "Off" position. Simply press the button to switch between the three color modes and use the "Off" position for long term storage.