Features: The ATS420 Generator Controller features intelligent double power transfer, automatically switching to backup during outages to ensures uninterrupted power supply for critical facilities like hospitals and data centers. Crafted with plastic, this control panel offer superior corrosions resistance, impacts durability, and lightweight design, ideal for outdoor or humid environments. Designed for small businesses, homeowners, and enterprises managing multiple generators, its user friendly interfaces simplifies setup without technical expertise. Perfect for industrial production lines, emergencies backup systems, and temporary setups such as outdoor event, it maintains seamless operations in power sensitive scenarios. For various generator models and brands, the compact ATS420 integrates effortlessly into existing setups, optimizing resource utilization while saving installation time and space. Specifications: Component: Plastic Size:Approx.114x88mm/4.48x3.46inch This controller adopts a 2.8-inch 240x128 large screen high-resolution LCD display, with a new and original UI design. Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings. Package includes: 1pcs Automatic Transfer Switching Controller