Case Material: Resin Radio Wave Correction Function (Compatible with all of Japan) Radio Reception Function Automatic Reception Manual Reception Automatic Station Selection Function Accuracy: ±15 seconds per month on average when not receiving radio waves Battery Life: Approximately 1 year Month, Day, and Day of the Week Display Full Auto Calendar 12/24 Hour Display Switching Electronic Sound Alarm (Changes in 5 steps) Light: LED Light (with afterglow function) Snooze Function Clock Body Size Length: 102mm Width: 117mm Thickness: 48mm Weight: 185g Included Accessories 1-Year Manufacturer's Warranty Instruction Manual AA Batteries x 2