Tentacle Sync app manual ?.Here in the TRACK E and SYNC E manual, you'll find the description of the mobile app as well https://tentaclesync.zendesk.com/hc/en-us/articles/360016297078-Tentacle-TRACK-E-Manual-English https://tentaclesync.zendesk.com/hc/en-us/articles/360001797997-Tentacle-Sync-E-Manual-English