Mini Spy WiFi Camera with Sensor Night Vision - Mounteen Reviews
The camera itself is very small which is perfect for when you want to place it in obvious areas in the house or room, so it's very hard to notice. With HD image quality, this is a great deal. Came without a memory card - you need to buy one (i believe TF) separately or you can store your files in the cloud. Very convenient.
Easy installation, clear picture.