1. The dearbeacon e9 is a new generation beacon that loaded bluetooth 5.0 hardware platform and Minibeacon plus intelligence software. 2. E9 has a smart rotatable mechanical design for the housing that makes the coin battery replaceable and ip67 waterproof grade combination perfectly. 3. Moreover, e9 can be fixed by the screw and 3m adhesive. 4. E9 dearbeacon advertises standard ibeacon and eddystone (uid, url, tlm) data packet simultaneously. 5. The user can configure the e9 dearbeacon via configuration app beaconset+ as well.