The camera is very small ,after operating for some time the camera surface will become hot, this is normal operation, and no need for concern. Take additional care when touching your camera after long periods of operation.
Are you a manufacturer of Mini 0805?
Listen then: your product is effin' stupid. Literally. I am absolutely infuriated by this product by now, so you will have to excuse my strong language. I bought 4 of these cameras for a tidy sum of money and expected that they would work, but they keep failing me.
You need to have your developers make some changes to firmware to make the camera actually useful.
First of all, if a user is operating the menus, do not, for f##k sake, shut down on the user! If the camera is set up to turn off after a timeout, this timeout should be re-set every time a user is pressing a button. Trying to format a card that the camera cannot write to and having the damn things shutting down while trying to enter the menu is infuriating.
Also, if the motion detection is ON, but the user is operating the menus, the camera must not switch on recording if a user turned recording off. The user's actions on the menu must be a priority. The camera, instead, turns recording back on if it detects motion from a user touching the buttons. This is stupid and unacceptable as it makes entering the menu impossible. I have to remove the camera from the mount and put it against non-transparent surface just to enter the main menu.
Secondly, there should be an option to automatically format the card if there is a write error. The camera knows that the card needs to be formatted, so this should not be too difficult.
And the most important, have an option to reserve space, say 1, 3 and 5% of the card size, or 128, 256, 512 and 1024 MB. Without that option your damn camera is killing the SD cards by filling them up to the maximum size and continuing writing. I have sent 4 cards back under warranty and every time had to wait for a month to get them replaced. This is not acceptable!
All these issues can be EASILY addressed by a firmware update. I am not asking you to improve the power supply as you have already sold the device, but making those minor changes to the FW is rudimentary simple - I am a developer with over 20 years experience and know full well that every college student can do that in less than a day including testing.
And let everyone know here once you've made those changes that we can download new FW.