Product No. 2714 Survival Craft Radar Transponder forSearch and Rescue operations Enhances radar returns with 12 intense blips, whereby the first blip represents the SART Unit transmits through the 9.2-9.5 GHz band marine radar when interrogated by radar Vessel mounting bracket and collapsible pole stowed inside SART Exclusive ACR Test mode for visual/audible feedback High impact polystyrene case designed to withstand rugged environments Compact 12.5" x 3" unit easily packs into life raft 10 meter (33") lanyard for security Waterproof to 10 meters (33") Requires lithium battery (5-year replacement life) Worldwide certification; complies with IMO/GMDSS, approved by USCG, MED Operational Life - 96 hours in stand-by mode; in excess of 8 hours in operational mode Application: mandatory requirement for all vessels governed by GMDSS; any yacht or vessel carrying more than one life raft to accommodate crew and passengers