Time format: 12 / 24 hours Screen size: 2.7 inches Time digit size: 1.52cm luminous Color temperature: 3000K warm light Brightness level: 10% ~ 100% adjustable One arm with nose ring Alarm duration: 8 minutes by default Buzzer volume: 80 dB Buyer frequency: gradually increasing Pause duration: 5 minutes by default Room thermometer Temperature in f / Measurement range: 23. 0F~123 0F/-5C~50C Temperature error 3 f / 1.5 C Power Supply Input: DC 5V / 1a (USB a to D'3.5mm DC jack)USB power adapter Built in rechargeable battery: 2000mAh lithium ion battery Battery life: the maximum brightness is 30 hours / the minimum brightness is 500 hours Packing list 1 x cute TV night light alarm clock 1 x USB power cord (3.3 ft, USB a to 3.5mm DC socket) 1 x user manualWork Mode:-DIMMABLE NIGHT LIGHT WITH SLEEP TIMER The brightness can be adjusted from 10% to 100%. Combined with 10-20-30-40-50-60 minutes sleep timer function, this clock could be the best Night Light Alarm Clock for kids, girls, children, bedroom. -BUILT-IN 1200mAh RECHARGEABLE BATTERY This Rechargeable Battery Alarm Clock can ensure at least 30 hours continually work at maximum brightness level. If brightness is at lowest level, the night light could even work for up to 500 hours. (The display would be off when outage. You can clap to active the display for 8 seconds, because it is voice-activated.) -LOUD ALARM CLOCK WITH SNOOZ. The Loud Alarm Clock is very easy to use and set the single alarm. Snooze function allows you to suspend the alarm temporarily and catch extra 9 minutes nap. (Alarm Buzzer Volume: 80dB, Buzzer frequency will get incrementally higher.) -BEDROOM ALARM CLOCK WITH INDOOR THERMOMETER Fast response, built-in thermometer measures temperature from 23. 0 to 115. 0 with 3 accuracy, provides updated and accurate readings.