Description
Description: This product is built with a GSM module, controlling the outlet via SMS commands; users can use their mobile phones to control electrical appliances anytime, anywhere, making home appliances smarter. Widely applicable in homes, factories, libraries, museums, swimming pools, hotels, waiting rooms, and other locations. Features: Requires a GSM SIM card for operation. Supports 2G networks only. Only one number can be linked to the device. Can control the outlet’s output timing. Remotely monitors ambient temperature. Includes temperature control and alarm functions. (Users can control the device via SMS within the specified temperature range. When the temperature exceeds or falls below the range, it shuts down and sends an alarm SMS.) Measurement functions: voltage, current, power. Can be used in most countries and regions; supports only the GSM network standard (GSM frequency band: 900 or 1800 Hz). Built-in buzzer (an SMS command can be sent to activate and deactivate this