Specifications 1.Available in five colors 2.can be ordered in steady on or flash patterns 3.Automatically turns on at dusk and off at dawn Detailed Product Description   1.Available in five colors 2.can be ordered in steady on or flash patterns 3.Automatically turns on at dusk and off at dawn DWS305 Solar obstruction light   Features and benefits:   1.Designed to operate reliably in harshest of environmental and work conditions. 2.Polycarbonate lens is virtually indestructible 3.Will charge under nearly all weather conditionsand up to 150 hours of operating capacity from a full charge 4.Manufactured to ISO 9001:2008 Quality Assurance standards 5.Installation takes minutes and requires minimal technical expertise