Yes, it can work as a traditional trail camera without a SIM card.

The best game trail camera is one that has high-quality image and video capture, long battery life, and is durable enough to withstand harsh outdoor conditions.

A Wi-Fi trail camera utilizes a wireless local area network (WLAN) to send images and videos to a smartphone, tablet, or computer for remote viewing. This type of camera does not require a cellular service plan, as it can connect to a router or access point within range. On the other hand, a cellular trail camera uses a cellular service plan to send images and videos to a smartphone, tablet, or computer. It is able to embed GPS coordinates within the image, making it easier to locate the camera. Furthermore, cellular trail cameras are able to send images and videos to a remote location with no need to physically retrieve the device. This feature requires a cellular service plan with data, which can be costly. Overall, a Wi-Fi trail camera is best suited for connecting to a local router or access point, while a cellular trail camera is best for sending images and videos to a remote location.

The best way to camouflage your trail camera is to use natural materials like leaves, branches, and moss to blend it into the surrounding environment.

Any hand held or mountable 3 axis gimble should work fine. Don't by a real cheap one though. Rod