Patent information: Design Reg. No. (HK): 0011626.1 6330 Features: 1) Four natural sounds available: ocean surf, babbling brook, birds, forest 2) Calendar programmed to 2099 3) Wake to buzzer or natural sound 4) Time with 12 / 24 hour formats 5) Dual time 6) Alarm time 7) Temperature 8) Count down timer 9) Sleep function 10) Snooze function 11) Uses 4 x AAA batteries (not included) 12) Unit dimensions: 112 x 76 x 30mm Outer packing: 100pcs/ctn Carton dimensions: 43.5 x 41 x 25cm G.W.: 12.8kg 6320 Features: 1) Five natural sounds available: ocean surf, babbling brook, birds, forest, win d 2) Calendar programmed to 2099 3) Wake to buzzer or natural sound 4) Time with 12 / 24 hour format 5) Dual time 6) Alarm time 7) Temperature 8) Count down timer 9) Sleep function 10) Sunlight 11) Snooze function 12) Backlight 13) Uses 4 x AAA batteries (not included) 14) Unit dimensions: 72 x 100 x 132mm Outer packing: 100pcs/ctn Carton dimensions: 57.8 x 38.5 x 30.5cm G.W.: 15.3kg