Qingping Smart Bluetooth Digital Alarm Clock With Multiple Alarms, Battery Operated Small Alarm Clock With Temperature And Humidity Display For Bedroo 5 in 1 Multifunction Alarm ClockYou can check the time (12/24 hours mode) and date, temperature and humidity readings, all through the alarm clock. The product should be set via Qingping+ app , which has iOS and Android versions. Simple Settings in Qingping+ AppConnect the device to Qingping+ app for all the settings, just follow the instructions in the app. It will sync with your mobile time automatically when connected to keep the right time. Up to 16 alarms can be set, and for each of them, you can set repeat rules and snooze mode. 8 musical ringtones could be picked to wake you up. The volume is adjustable from 35dB to 85dB. Easy and Fun OperationsAfter the alarm is set, the alarm clock can work alone. Press the hidden button from the top, you can: 1)stop the alarm; 2)start or stop the snooze mode; 3)turn on the backlight. Clear Display with Adjustable BacklightThe LCD screen is clear to read. The duration of the backlight is adjustable from 0 to 30s (DOES NOT support setting the backlight as always stay on, as that will cost much battery). You can set brightness of 6 levels (0100%) and night mode. Low Power Consumption, Powered by AA BatteriesThe product is powered by 2 pieces of AA batteries supplied, and the standby time could be longer than one year (it could vary with different ways of use).