Features IN & OUT Temp MIN & MAX Temp Dimensions: Receiver: 6" x 2.5" x 1" Sensor: 5.5" x 1.6" x 1" Wireless outdoor temperature (degrees F or degrees C) Monitors indoor temperature (degrees F or degrees C) Records MIN/MAX temperature with time and date of recording Time display (manual setting) 12/24 hour time display Wall hanging or free standing Detachable stand included Can receive up to 3 sensors