Blusmart Wireless Bike Speedometer Multi-functions with Clock Stopwatch Thermometer Waterproof Odometer of Big LCD Display Backlight DOUBLE DISPLAY MODES - This wooden alarm clock has two clear and bright display modes. Mode 1 displays Date, Time, Temperature and Humidity. The display screen automatically alternates between Time and Date. Mode 2 only displays Time, Temperature and H ADJUSTABLE BRIGHTNESS & CLEAR DIGITS  AwesomeWare LED clock has 3 levels of brightness (Bright/Medium/Dim) with premium quality of lighting. You can choose the most comfortable brightness for your eyes. If you dont want to be dazzled while sleeping a TRIPLE ALARM SETTINGS - 3 groups of alarms can be set on our digital alarm clock to wake you up anytime. Multiple alarm settings are perfect for heavy sleepers. It replaces snooze function and can wake you for 3 times once you get all of them set. Neve DUAL POWER SUPPLY  Our alarm clocks for bedrooms can be powered by USB cable or by four AAA batteries (not included). We recommend connecting the wooden clock with the electric source by using the USB cable. Batteries are back-up for conditions of sud POWER SAVING & SOUND CONTROL - Under sound control mode, the LED screen will be powered off automatically to save electricity. When you make a sound of over 60 dB nearby, the digital alarm clock will be on again and display the right time. If you dont