Travel Alarm Clock (630-0720A) Specifications Faxback Doc. # 6446 Power Requirements:.......................................One AAA Battery Accuracy:...................................+/-.5 Seconds Per Day (Limit) Battery Life:...................................................12 months Dimensions:..................................2 3/16 x 3 9/16 x 5/8 Inches (Without Cover) Weight:...........................................................60.1 gm (CJD/all-7/14/94)