... is very suitable for Heating Room, Cooling Room, Refrigerator Car, Food Storehouses, Weather Station, Greenhouse, Energy saving control ... Band: 850,900,1800,1900Mhz Dimensions: 120mmX104mmX28mm (LxWxH)Net Weight: 0.50KgStandard Package list of the GPRS Temperature Logger ... : 1.00KGSkype: AsiaGSMalarm GSM/GPRS Temperature Measurement Logging Systems S260,SMS Query,GPRS monitoring based Web Center