This LED C-Light from ACR is a manually activated, steady-on personal distress light with incredible operating life. The rugged and waterproof light is USCG/SOLAS approved and has a 20-lumen LED that operates typically for 30 hours continuously. The C-Light is activated manually with an easy twist-on/off activation, making this an ideal light for all outdoor enthusiasts. USCG/SOLAS approved Ideal for all kinds of outdoor enthusiasts | ACR C-Light Manual Personal Distress Light