The TILT Wireless Hydrometer Black is a cutting-edge tool designed for beer brewing and fermentation monitoring. With its sleek design and wireless capabilities, it allows users to easily track the progress of their beer-making process from anywhere. The hydrometer helps to ensure the perfect balance of ingredients and conditions for creating high-quality homemade beer. Its brand reputation for reliability and accuracy makes it a must-have for any home brewer looking to take their craft to the next level. Used once to calibrate.