Here is another battery powered camera that lets you keep an eye on your property. The DIGOO DG-A4 1080P camera has 6000mAh batteries that last up to 4 months. It has PIR detection range of 8m. The camera accepts SD cards up to 128GB.
This camera is IP65 weatherproof rated. It has a 130-degree wide viewing angle with 2.8mm lens.