Features:
Specifications: Condition: Brand New Optional Plug: EU Plug, US Plug, UK Plug, AU Plug Color: Shown as Picture Material: ABS Plastic Working Voltage: standard power supply 12 V DC, support 9~36VDC Power Consumption: Standby: 12 V/20 mA; maximum power consumption: 12V/150mA GSM Frequency: 850/900/1800/1900MHz SIM Card Interface: support 3 V SIM card External antenna: SMA antenna interface, 50 ohms Support Protocol: RTU Over TCP protocol, TCP protocol Temperature input: DS18B20 Temperature Measurement range: -55 ° C ~ 125 ° C, accuracy ± 0.5 ° C Built-in Battery: 3.7V/900mAh Working Temperature: -10 ° C ~ 60 ° C Operating Humidity: Relative Humidity 95% (no condensation) Size: Approx. 70mm * 88mm * 30mm/2.8 * 3.5 * 1.2 in Package List: 1 * GSM Monitoring Alert 1 * Antenna 1 * Power Adapter 1 * Instruction Manual Note: The function of measuring temperature needs to be used with the DS18B20 temperature sensor. This product accessory does not contain the DS18B20 temperature sensor and must be purchased by the customer.
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