Big blue button talking alarm clock:
Size : 4.48x4.48x2.8 inches
Net Weight: 4.96oz (140.5 grams)
White button talking alarm clock:
Size : 3.5x3.5x1.37 inches
Net Weight: 2.35oz (66.5 grams)
KeyChain Style talking alarm clock:
Size : 2x2x0.43 inches
Net Weight: 0.86oz (24.5 grams)
Blue Button Alarm ClockBlue&Silver Color, vivid color, easy to be visible, Mini sized, Light Weighted, Portable. | White Button Alarm ClockWhite&Black high contrast color combination, comfortable for the people who are visually impaired. Mini sized, Light Weighted, Portable. | KeyChain Type Alarm ClockWhite body with black button, small size in your pocket or key chain with extremely loud speaker. |
The Blue Button is Powered by 3xAAA batteriesBatteries are not included | The White Button is Powered by2xAAA batteriesBatteries are not included | The KeyChain Style is Powered by one CR2032 Button CellCR2032 button cell is Included |