once installed

2 x AA batteries

Type  2 Way 3 Way Thread Diameter 1/4 M - 1/4 M 1/8 M Voltage 208-240v 208-240v

it is not designed for boiling water

Fellow Pirch Glasses Dual Boiler once installedA set of purpose shaped coffee glasses, the Fellow Pirch Glasses are designed to improve how your coffee tastes and feels across every serving size. Each glass uses a curved interior and fine lip to control how liquid flows onto the palate, helping bring more clarity and balance to everything from espresso through to full milk drinks. In use, the geometry does the heavy lifting. The inner curve helps integrate crema and liquid for a smoother, more