24V Milking Machine Controller Automatic Drop Adjustable Pulsation 24V ACR Controller Panel for Dairy Cows.Feature: 1. SENSITIVE AND USER FRIENDLY: This milking machine controller features highly sensitive and user friendly technology that prevents interruptions and overflow of milk, ensuring a consistent and efficient milking process. 2. AUTOMATIC VACUUM SHUT OFF: The system automatically closes the vacuum when it detects no milk flow, allowing the cup to safely drop without any manual interven