Radio Control Clock 32 Degrees to 122 Degrees F/0 Degrees to 50 Degrees C 20 Percent to 99 Percent RH Application Indoor 11.5 in H x 16.75 in W 4-Digit LCD Display - 4.3 in Digit Height Functions Degrees F/ Degrees C Switchable 12 hr/24 hr Switchable Alar