This Belkin Battery Backup Unit Rev B Model BU3DC001-12V is the perfect solution for protecting your devices from power outages. It is designed to work with Belkin products and has a voltage compatibility of 120V. The unit has a maximum power of 36W and comes with a 20+4 pin connector. The backup unit has a gray color and features an LED display. It has a single outlet and is compatible with the Belkin brand. This product is great for those who need a reliable backup power supply for their computers, tablets, and networking devices.