Temperature alarm data logger with external Temperature Sensor

T20 wifi gsm gprs temperature and humidity data logger support Cloud LOGGER ON CLOUD REALTIME MONITOR ON WEB SMS ALARM GPRS AND WI-FI TRANSMIT DATA APPEARANCE SPECIFICATION FREE CLOUD SERVICE & WI-FI APP APPLICATION CWT Cloud, Free!!! MORE Temperature and Humidity monitor solutions Product Details It has been designed as a cost effective, low power, self contained data logger. It has 2 temperature sensor inputs with embedded GSM/GPRS module to provide an all in one instrument