You can use the Mini Analog Camera like this Mini Camera Fast User Manual
Note:
An AHD Mini Camera's connection same like this Fast User Manual but it only with a AHD system and it can not connect to a monitor directly.
An IP Mini Camera's connection same like this Fast User Manual but it only with a IP NVR system and it can not connect to a monitor directly, IP camera can connect to a router.
You can click the below links to show more:
Buy through other platform-stores
You also can buy it here: