How to set alarm time? For example: to set alarm 1: 1.Long press the “ALARM1” button at the back of the clock, the screen display change “-:--” to “12:00”, the hour digit “12” flashing on the screen, short press “UP” or “down” to adjust it. 2.Short press the “ALARM1”, the minute digit “00” flashing on the screen, short press “UP” or “DOWN” to adjust it. 3.Short press the “ALARM1” to confirm the alarm time. The same way to set ALARM2 and ALARM3. Function 1.Display time hour, minute,date,month,year and week day,12/24-hour format changeable. 2.Alarm function:with ascending Bi Bi alarm sound, can set 3 alarm time and can select weekday of 1-5, 1-6, 1-7 three modes of workday alarm on. 3.With Snooze function.When you press Snooze, the clock will ring after 5 minutes. 4.With backlight(press light button) and smart back light. Backlight auto turn off after 5 seconds, you don’t need press again. 5.Temperature display function:format °C/°F changeable. When the clock alarms, If you do not do anything,the clock sounds beep for 60 seconds in a crescendo. If you want to sleep for a while, touch the “TOUCH” button on the head of the clock,alarm sound stop and the clock will alarm again after 5 minutes. If you want to stop the sound,just short press the “ALARM1” button. If you do not need the alarm function,long press the “ALARM1”,the screen display “-:--” means alarm function off. See moreMULTI-FUNCTION: There is an indoor temperature gauge monitor in this small digital alarm clock, temperature range is 15.8 to 122 Fahrenheit (-9 to 50 Celsius) with tolerance +-1.8 Fahrenheit (+-1 Celsius), allows you keep an eye on indoor temperature conditions.Easy for kids, teens and elders to use,bedroom bedside table alarm clock,suitable for gift and travel. BATTERY OPERATED: It’s an easy cordless battery operated desk alarm clock. Features large clear display, smart low night light, 12-hour / 24-hour, easy for kids, teens to use, basic bedroom bedside table alarm clock. Suitable for home, office, closet, incubator, greenhouse, garden, wine cellar, etc. NIGHT ACTIVATED ENERGY: WinFong small alarm clock comes With backlight(press it button) and smart back light. Backlight auto turn off after 5 seconds,when the alarm ringing, press the top SNOOZE/LIGHT buttom. SMART CLOCK SOUNDS,EASY OPERATION: 3 separate awake time with crescendo beep softly wake you up, up but this table clock is not abrasive on our ears or "jolts" us awake rudely. Every alarm can be turned on or off independently. 4.3" LARGE DISPLAY SMART DIGITAL ALARM CLOCK: 4.3" x 2" large display, bold typeface, big numbers display time, Easy to read, with Clock, Night light, Snooze, Alarm, Smart light, Date, Temp, Calendar, Week, clear and comfortable visual sense.