... to +60°C, 10% to 90%RHCommunication modeRF wireless and RS232 serial cableDisplay contentsTime, date, temperature, humidity, graphic, ... time, date, humidity, graphics, animations (including GIF format) and free text messages.2. Can display messages in English, French ... from the front).9. Low power consumption. Easy software ,fixing and mounting system provided ,front maintenance ,PC wired or wireless ...