Product Information: color: Brown (white Light, Green Light, Red Light) shell Material: Wood dial Material: Pvc power Supply: 1. Connect The Usb Charging Cable To The Adapter To Plug In 2. Aaa Battery Powered.(this Product Does Not Contain Batteries) the Package Contains: 1*alarm Clock 1*instruction 1*usb Charging Cable size: type A:15*4*7 Cm/5.91*1.57*2.76 Inch function Setting 1.display Mode dp-1:date,time,temperature Carousel Display dp-2:only Show Time press "set" To Transform Dp1 And Dp2 Mode 2.sound Control the Clock Will Always Light Up If Sound Control Is Closed. Once Opened, The Display Will Will Turn Off After 15 Seconds. press Once "down" To Enter The Voice Control Mode And Press Again To Exit The Voice Control Mode. 1) On:sd:voice Control On 2) --:sd:voice Control Close when Voice Control On ,sound Over 60db,the Clock Will Be Light 3.three Sets Of Alarm Setting on: The Alarm Is On - - : The Alarm Is Off 4.three Level Brightness press "up" Button 3seconds,then Press "up" Or "down" ,can Adjust The Brightness