Wireless handheld beacon device for building management

A method for maintenance of a plurality of commercial facilities by maintenance personnel, wherein each of the commercial facilities has one or more consumable product dispensers that require periodic refill, the method comprising:

• interfacing a receiver device incorporated in a product dispenser with a beacon device comprising a Bluetooth Low Energy beacon incorporated into a key configured to unlock the product dispenser, the beacon device configured to periodically emit a beacon signal comprising an identity of the beacon device, the key comprising a mechanical key;
• interfacing the receiver device with a server system to transmit the identity and precise indoor geo-location of the beacon device to the server system;
• and
• identifying, by the server system, an identity of a maintenance personnel that unlocks the product dispenser based at least in part on the identity of the beacon device that is periodically emitted by the beacon device;
• wherein the server is configured to identify that the dispenser has been serviced based on the identity and the precise indoor geo-location of the beacon device within the commercial facility;
• wherein the one or more consumable product dispensers comprise a toilet tissue dispenser, a soap dispenser, and/or a towel dispenser.