Using this Polaroid camera keychain is a breeze. Just press the red shutter button and you'll hear a fun sound like taking a real photo. It's great to carry around on your keys, showing off its cool retro style. When it comes to maintenance, keep it away from water as moisture might damage the internal parts. Don't drop it hard, as it's a delicate little item. There's no need for any special setup, just enjoy its novelty whenever you want.