This AcuRite 75100MA1 - 18-inch Large Digital Clock is perfect for any home, office or classroom. The extra-large LED screen features bold, 5.5-inch tall, easy to read numbers. Displays today's date and current indoor temperature. This clock is powered by a 9-foot power adapter and features cord storage to secure excess cord. Integrated keyholes for easy wall-mounting and sits upright for tabletop use with its fold-out stand. One-year limited warranty. It's more than accurate, it's AcuRite. Large Digital LED Clock Extra large LED screen Oversized 5.5-inch tall digits allow for easy-viewing from across the office, classroom, or living room Indoor temperature (degrees Fahrenheit and Celsius) Today's date and day of week Keyholes for wall-mounting and fold-out stand for tabletop placement Powered by 9-foot power cord; Features integrated cord storage Remembers time in event of power outage with optional backup batteries Indoor Temperature Range: 32 to 122 degrees Fahrenheit; 0 to 50 degrees Celsius Temperature Accuracy: +/- 2 degrees Fahrenheit Timekeeping Accuracy: +/- 45 seconds per month Data Reporting: Indoor Temperature: 60 second updates Power: 5V power adapter (required; included); 2 AA alkaline batteries (for backup; not included). Brown Box.