Customized alarm duration for 1 ring, with settings for alarm duration of 1-30 minutes Customized and adjustable snooze duration for 1-30 minutes 3 loud can alert hearing impaired individuals or as a reminder when the sound is not turned on Strong vibration mode, flat shape suitable for placing under the pillow, the pillow can transmit vibration and easily wake up You can adjust the appropriate sound volume according to your own habits, adjustable range: 0-110 decibels Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on voltage: AC100-240V Material: ABS colour: black Package Contents: 1 x Alarm Clock 1 x USB cable 1 x Vibrator 1 x Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.