Product No. 2726A2-Channel VHF GMDSS survival craft radio Transmits and receives on VHF Channels 16 and 6 Capable of withstanding total immersion to 10 ft. (3.3 m) Floats to prevent being lost overboard like other radios Can be stored in a survival craft for up to 5 years Easily replaceable quot;push/twist/lockquot; battery; 5 year replacement life Operating life: 8 hours @ -20 C (-4 F) longer in temperate watersProduct : ACR 16/6 SURVIVAL RADIO VHF 2 CHANNEL GMDSS Manufacturer : ACR ELECTRONICS Manufacturer Part No : 2726A UPC : 791659027264