Package includes: Wall Clock * 1 Adapter Plug * 1 3.5M Power cable * 1 Button Cell CR2032 * 1 Installed Remote Controller * 1 Operating instructions * 1 Hanging Hook * 1 FEATURES: 1, Silent LED Wall Clock 2, Display Calendar 3, Time format conversion : 24HR or 12HR(AM/PM) 4, Temperature format conversion : / 5, Smart Brightness Adjustment Automatically 6, Manually Brightness Adjustment 7, Memory function when adapter power-down 8, Dual Alarms + Timer + Humidity Hygrometer 9, Remote controlled setting 10, Display Days of Week ( Only on NZ3377 ) Parameters: Accuracy of temperature measuring: +/- 2 Accuracy of humidity measuring: +/- 5% ; Humidity detecting: 20% ~ 99% ; Temperature detecting: -10 to +50 (14 ~ 122 Net Weight: NZ8866=1.15kg ; NZ3377=0.55kg Clock size L*W*H(cm): NZ8866=30 * 3.5 * 30 (cm); NZ3377=25.4 * 3 * 25.4 (cm) Power: Adapter Plug + Button Cell for backup