To all of our wonderful customers: We appreciate you, and hope you are all healthy and doing well. Unfortunately Honeywell/Resideo is having stock issues due to a factory closing (COVID-19). We have plenty of 5816WMWH, 5800PIR-RES, Lynx Touch 5210/7000, LTE-L57V radios, and others. We are now out of LTE radios for the Vista 20P. We are now out of 6160 and 6160RF keypads. We are running low on 5800mini units Please email us at email@example.com or call at 610-242-3975 to verify our stock on your orders before placing bulk orders of anything else. We are sorry for the inconvenience and want to help make this go as smoothly as possible.