1.digital video recorder 2.The world's first product, ... to use and install, direct New speical digital video recorder with SD card Product features:1. The world's first ... directly plug in power to work, independent working.3. TF card support, maximum to reach over 16GB.4. 24 hours, ... 000 pixel high-resolution 1/4 CMOS image sensorTF card supportTF card: 128MG-16G, suggest to use kingston high-speed ...