password home lock remote flat lock card room lock 1. electric lock 2. for apartment, office 3. sturdy and durable password home lock remote flat lock card room lock Main Advantages: (1) Inner and outer handle "dissociation" (2) Patent detached two-gear clutch device (3) Japan motor, more than 500000 times (4) Low-voltage alarm function Technology Parameters: ItemsParametersProduct Dimension160L* ...