Okay, check out this super discreet FOXEYE mini spy camera - it's smaller than you'd think at just 0.87 inches in each direction but packs some serious features!

It records in full 1080P HD quality (also does 720P if you prefer) and has built-in infrared sensors that give you night vision capability - the IR LEDs don't light up so they're completely undetectable.
The motion detection feature is smart too - it only starts recording when it senses movement, which saves both battery life and storage space on your micro SD card (needs up to 32GB card, not included).

What's really convenient is that it doesn't need WiFi to work - just pop in a micro SD card and it'll loop record, meaning it overwrites the oldest files when the card gets full.

You can use it while it's charging too, which is handy for longer monitoring sessions.

The battery lasts about 100 minutes at 1080P 30fps and takes 2-3 hours to charge fully.
It comes with a built-in microphone and speaker for audio, plus it can take 12MP photos.

The metal construction feels solid and it includes a bracket and clip so you can mount it practically anywhere - in your car, around the house, office, even on your pet's collar!
Works with Windows, Mac, and Linux systems.

Perfect as a nanny cam, home security camera, for filming projects, car dash cam, or just for peace of mind when you're away.
Super easy to set up and start using right out of the box.