Excellent condition (works perfectly). Stylish beer server that creates rich foam from canned beer. Creates fine, creamy foam using ultrasonic waves. Simple operation: just set the can and pull the lever towards you. The ideal beer-to-foam ratio is 7:3. You can freely add more foam, whether a small amount or a large amount! ● Power Supply 2 x AA alkaline batteries (approx. 1 hour of continuous operation) ● Compatible Can Sizes/Capacities 330ml, 350ml, 500ml ※ Body diameter 66-68mm ● External Dimensions W120 x D186 x H402 (mm) ● Weight Approx. 620g ● Main Unit Operating Voltage 3.0V ● Made by GreenHouse Instruction manual included. Thank you for viewing.