ACR 3995.3 Firefly3 Rescue Strobe Light SOLAS compliant New state-of-the-art lamp/lens combo produces brighter flash that surpasses the SOLAS specification. Conceived as state-of-the-art replacement for famous Firefly forerunners, 4F and 4G. Large sliding switch allows for easy operation by gloved hands. Specially-designed base platform allows unit to stand upright easily. Stainless steel retainer securely attaches battery door to case. Integral lashing loops provide a secure anchor point.