Base: Improve show duration box by adding maximum
Base: Improve show duration box by adding maximum

OpenSprinkler/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App,PeteBa/OpenSprinkler-App,PeteBa/OpenSprinkler-App,PeteBa/OpenSprinkler-App,OpenSprinkler/OpenSprinkler-App