This portable key fob camera is perfect for anyone that wishes to record their day at home, work or even at play. With its pinhole lens located at one end of the key fob and your keys at the other, you can just lay the unit down and walk away, recording everything in its path. A great item for private detective, police officers or anyone that needs to record their life. One touch of the lock button turns the unit on. Press the lock button again to start the recording. Press the unlock to stop the recording. The video records at 4K onto a memory card, up to 256GB. The unit comes with a 128GB memory card and charging cable.