This KJB portable hidden camera is designed to look like an ordinary key fob. One touch of the lock button turns it on, press again to start recording, then press unlock to stop. Video is recorded in 4K on a memory card up to 256GB. It comes with a 128GB memory card.

One touch recording 

Rechargeable battery 

4K video recorded

Records up to 256GB of video 

128GB Memory Card 

User manual 

Charging cord