Abstract: A liquid level measuring device, comprising: at least one Time-of-Flight (TOF) ranging sensor for enabling to obtain the distance between the at least one sensor and the liquid level within a liquid retaining device that has a narrow neck portion, wherein each TOF ranging sensor is configured to emit a narrow width light ray, thereby enabling to measure the distance without interference from the neck portion of the liquid retaining device; a controlling unit for collecting data in accordance with the measurements of the at least one TOF ranging sensor; and a wireless communication module for forwarding to a remote computing device the collected data or data relative to the collected data.

Abstract: The invention provides a mixing container comprising: a liquid holding vessel having first and second chambers each for holding a different liquid; a mixing unit having a first valve and a second adjustable valve, the second adjustable valve having an opening that can be partially closed to permit a pre-determined portion of liquid from each chamber to be dispensed when pouring from the mixing container; and the second valve including a series of teeth around the periphery thereof for engaging an adjustment wheel in the mixing unit to open or close the opening in the second adjustable valve.

Abstract: The invention provides a mixing container comprising: a liquid holding vessel having first and second chambers each for holding a different liquid; a mixing unit having a first valve and a second adjustable valve, the second adjustable valve having an opening that can be partially closed to permit a pre-determined portion of liquid from each chamber to be dispensed when pouring from the mixing container; and the second valve including a series of teeth around the periphery thereof for engaging an adjustment wheel in the mixing unit to open or close the opening in the second adjustable valve.