1.Foldable LED book Lamp with calendar clock 2.Calendar Display time, date and week, temperature 3.Alarm & snooze function 4.Temperature display in C /F,default is C 5.18PCS high light led, enough for reading books 6.Foldable and portable 7.Clock power supply:1XCR2025 cell button 8.LED power supply: Built-in rechargeable Lithium battery (included), 3.7V/1000mAH 9. Fantastic design for book reading and life enjoying 10.Patent protecting