No batteries or electricity needed for this back to basics keywound clock. Perfect for home or travel just wind and go. Count on Westclox for the time. Measurements: 4 Height/Inches, 1.75 Depth/Inches, 4 Width/Inches Clock Face Measurements: 4 Length/Inches Base Material: 50% Glass, 50% Plastic Care: Wipe Clean Country of Origin: Imported