4. One cell phone controls multiple devices at the same time: supports one cell phone to control multiple devices, and also supports multiple cell phones to control one device. 2. Standard rail slot mounting design: 35mm standard rail mounting, no screws, snap fastening, convenient and easy to install. 3. 6 power failure protection functions: over-temperature protection, over/under voltage protection, over-current protection, over-power protection, voltage imbalance protection, current imbalance protection. 1. High-definition color screen interface design: the use of large LCD color VA display, bringing a different color visual experience 5. Applicable to different scenes: rental housing, family home, companies, hotels, high and low power distribution cabinets, factory assembly lines, warehouses and other fields., Weight: 0.95460159446 pounds, Manufacturer: Frewurwer