Features: 1Remote Control: At any time you can text and dial to remotely control the home appliances or check the work status. 2Easier Working: Can be widely used on various equipments including but not limited to water heater lights and so on. 3Extensive Uses: Enables flexible application in fish pond farming agricultural planting home remote control etc. 4Simple Setting: With 40110 detecting range the temp sensor allows for switch control under different temperature. 5Higher Power: The working current is 16A and the maximum load can get up to 2000W which ensures stable operation. Specification: Item Type: Smart SocketProduct Material: PVCProduct Size: Approx. 11 x 6.4 x 3.1mm / 0.43 x 0.25 x 0.12inWorking Current: 16AMaximum Load: 2000W inductive load halved. GSM Frequency: 850 900 1800 1900MHz. Working Humidity: 65%Working Temperature: -10-55Temperature Detection Range: -40-110Weight: Approx. 206 g / 7.27 oz Package List: 1 x Smart Socket1 x Temperature Sensor1 x User Manual Note: The SIM card needs to be installed before the power is turned on. It is strictly forbidden to install the SIM card after the power is turned on.