VEVOR Portable Refrigerator 23 Quart(22 Liter),12 Volt Refrigerator App Control(-4℉~68℉), Car Refrigerator Electric Compressor Cooler with 12/24v DC & 110-240v AC for Camping, Travel, Fishing, Outdoor
It is safe. But it is recommended to use a 12V car line in the car, and there will be low voltage protection when parking. The adapter has safety hazards and is not recommended for use in the car.
Yes, it can be controlled via mobile app. The product description states that it comes with app control which allows you to adjust the temperature and monitor the power.