Wake on time to the information you need with La Crosse Technology’s Alarm Clock with Indoor Temperature and Humidity and Outdoor Temperature with USB charging port. It’s an alarm clock, and so much more. Check current indoor temperature and humidity and, with the included sensor, get the current temperature from over 150 feet away outside your home. Supports two optional add-on sensors (sold separately) for monitoring multiple locations around your home. Keep tabs on the greenhouse or back porch at a glance. Displays outdoor sensors with searching and auto-scrolling functions. You can even track MIN/MAX values. Choose from either Celsius or Fahrenheit temperature display. In addition to time and temperatures, the easy-to-read color display with adjustable backlight shows calendar date and day of week. Looks great on a table or nightstand but can also be wall mounted. USB power cord plugs into your power block for universal power connection when you’re on the go. AC adapter power brick is sold separately. Optional battery operation, requires 2 AAA alkaline batteries to allow even more portability. Its weak/low battery indicator helps you keep the information you need up and running.