... Door Phone unlock by ID card,by password,by key, work attendance function Model NO.:SMT-V7E-K Function and Features**plastic ... camera, unlock by ID card,by password,by key, work attendance function,25000 records,good design,CMOS or CCD sensor.6 ... X 1.0 mm Data of Technology:**Night vision illumination distance; more than 2 meters **Gain control: Automatic **Working temperature: -10 ...