✿ 8 Channel 4G SMS Alarm Controller 4G Mobile Phone Access Controller APP WEB

Feature: \n 1. Efficient Control: Remote power control through smartphone sensing, allowing for convenient and quick operation.\n2. Multi Functional Design: Supports PT100 temperature detection and SMS power outage alerts, combining multiple functions in one device.\n3. Safety and Reliability: Made from aluminum material, providing resistance against shocks and pressure, ensuring long term safe and reliable usage.\n4. Versatile Applications: With 8 channel relay switch functionality, it can be used in various scenarios and settings\n5. Flexible Configuration: Supports both normally open and normally closed output logic, catering to a wide range of relay application needs. \n\nSpecification: \n\nItem Type: 4G SMS Alarm Controller\nMaterial: Aluminum\nUsage: Relay Switch\nPower Consumption: Standby 12V 50mA, Maximum 12V 200mA\n4G Frequency (LTE FDD): B1 B3 B5 B7 B8 B20\nGSM Frequency: 900 1800 Mhz\nSIM Card Interface: Standard SIM card\nAntenna Interface: Standard S: