Overview: Power Save Control Mode amp; Vibration Mode The time & LED lights are activated when the sound around is over 80d B, or touch any part of the product or tap the table on which the product is placed. Always-ON Mode The LED lights are always on & the time is always displayed. In this mode, the display alternates between the time & the date. Specification: Dimensions: 208 X 90 X 55 mm Weight: