AcuRite 01095M Indoor Temperature & Humidity Station With 3 Sensors Monitors environmental conditions in four locations inside your home (3 wireless sensors, plus built-in sensors inside the digital display) Easy-to-read digital display shows temperature and humidity data from all four locations at-a-glance Multi-Room station provides humidity gauge, indoor/outdoor temperature, clock and date Offers programmable alarms, alerting you to take action if environmental conditions exceed your preferred range Includes three (3) wireless, indoor temperature and humidity sensors that feature an onboard digital display