CWT5016 Support GPS/GSM/GPRS, with 4 Temperature sensor, 4 Ad inputs, 4 Digitial ... outputs, 4 analog inputs and 4 special temperature sensor inputs with embedded GPS and GSM/GPRS module to ... 25mmWeight370 g FeatureTemperature & Humidity monitor4 DS18B20 temperature sensor inputs, monitor temperature range is -55°C~125°CAnalog ... oil tank level gps tracking system (with temperature sensor, I/O controll)