GSM/GPRS/GPS temperature controller, high speed temperature sensor, build-in humidity sensor, powerlost alarm CWT5016 has been designed as a cost effective, low power, self contained data logger. It combines 4 digital inputs, 4 drivable relay outputs, 4 analog inputs and 4 special temperature sensor inputs with embedded GSM/GPRS module to provide an all in one instrument for data logging, remote ...