BLE Beacon with interchangeable battery (3.0 V / CR2477 button) for 4 years of useful life (in Duress function - only 8 months in function of distance detection). When the alarm is triggered, it will send an alert to Bluzone Cloud (when in range of a connected BluFi). Possible red flags: 1) email as part of the policy; 2) Alert to screen and alert report 3) API call to trigger / present alert on custom dashboard or clients legacy systems. 4) Device LED will flash 5) Audible alert on BEEK keyfob. Size: 71 x 43 x 15mm. Compatible with Eddystone, iBeacon, sBeacon. IP67. Requires the BLUVISION project ID prior to making the supply.