DYKIE RF Wireless LCD Weather Station with Green Backlight Indoor Outdoor Sauna thermometer and Temperature Alert,Sauna Sensor Set 3 different Temperature alerts (Indoor Outdoor Sauna) Green Backlight, Sauna and max support 3 channels for outdoor temperature Monitors IN and Wireless OUT temperature (F/C) with MIN/MAX records In/outdoor Temperature trend indicator 12/24 Hour time (manual time) with snooze alarm