Daily min/max recall & trend indicators for temperature & humidity; Wireless remote sensor transmits up to 200ft; Humidity range: 20%-95%; Indoor temperature range: 32deg F/122deg F & 0deg C/50deg C; Outdoor temperature range with alkaline batteries: -4deg F/140deg F & -20deg C/60deg C; Outdoor temperature range with lithium batteries: -40deg F/140deg F & -40deg C/60deg C; Includes calendar & alarm clock features
