Ready To Go Right Out Of The Box Manually Adjustable Strobe Rate Light Source: 21 (white) Leds Power And Current: 12v & 60hz Dim: 5.1 X 4 In X 3.7 Weight: 0.5 Lbs Upc : 781462205386 Shipping Dimensions : 7.60in X 4.90in X 2.55in Estimated Shipping Weight : 0.7