... . It is made of peephole camera, indoor monitor and wireless unlock control, remote control. Peephole camera can install in variable types ... placed on the table or hang onto the wall. Wireless unlock control connect e-lock 2. FeaturesWireless 2.4GHz, no obstacle ... of peephole camera can capture image in low illumination environmentMonitor, Unlock, Talk, 16pcs chord music ring, adjust volume3.5 inch TFT ...