With real-time alarm, whether it is power failure or power recovery, users can immediately remind by SMS or telephone, so that users can know the power situation at home at any time and avoid property losses caused by power problems Excellent performance, stable operation, accurate identification of power status and timely alarm, providing users with efficient and stable services This product is easy to install and only needs to be plugged into the power supply. It is easy to operate and can be installed and used by non-professionals themselves, thus avoiding complicated installation procedures and additional installation costs It can be widely used in many occasions such as families, shops, factories, farms, etc. It is very necessary for safety protection and normal operation of electrical equipment Made of high quality materials, durable., Manufacturer: Muiltvoe