["Features:\nIt can meet the requirements of large air conditioners and water heaters, making using safer and more stable. \nIt can prevent ineffective waste and better power saving to extend service life of the power switch. \nfor Smart light shooting indicator reminds the remaining battery electricity in for time to prevent it from running out.\nOn-off power type when the card is plugged in or pulled out. \nIt can act as the total electrical power control. It is an for ideal and perfect choice for independent building.\n\nSpecifications:\nMaterial: PC\nWorking voltage: 220-250V\nSIZE: 8.6x8.6cm/3.39X3.39inches\nLoad power: 6600W (30A)\nDelay time: On-off Type；Delay can be designed and customized.\nApplication: Hotels, villas, residential apartment, flat, office building and other indoor places.\n\nPackage includes:\n3 Pieces Cards\n1 Piece Power Switch\n\nNote: Please allow 1-2cm errors due to manual measurement. \nDue to the difference between different monitors, the picture may not reflect the actual color of the item.\nLive products need professional electrician wiring, please disconnect the main power before operation."]