【Comprehensive Display】All-in-one screen shows week, time, temperature, humidity, date, week number, and alarm, providing complete information at a glance. 【Customizable Settings】Easily switch between Celsius and Fahrenheit, and 12/24 hour formats to suit your preferences. 【Large LED Display】High-brightness LED digits ensure clear visibility even from a distance, making it perfect for any room. 【Timer Functionality】Features both countdown and count-up timer functions, with a maximum of 99 minutes and 59 seconds. 【Adjustable Brightness】Ten manual brightness levels plus an auto-dimming feature adapt to various lighting conditions. 【Dual Power Options】Choose between DC 5V power for constant display or 2 AA batteries for button-activated display (batteries not included). Specifications: Display: LED digital screen Functions: Time, date, temperature, humidity, week number, alarm Temperature Scale: Celsius and Fahrenheit Time Format: 12/24 hour switchable Timer: Up to 99 minutes 59 seconds Brightness: 10 manual levels + auto-dimming Power Supply: DC 5V or 2 AA batteries (not included) Dimensions: 33 x 22 x 3 cm Material: ABS plastic