When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
When used as a sole communicator under NFPA72 2010 guidelines the LE4010CF will send its heartbeat once every 97 seconds ensuring that three heartbeats will be received at the supervising station within the 300 second window.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.