These three, are they the real thing? I have a gift card for amazon. I have the card in the cart. On sale for $10. Which would be best or is there another not listed?

http://www.amazon.com/SJCAM-Original-Version-Waterproof-Batteries/dp/B00VFVUAMQ/ref=sr_1_1?s=electronics&ie=UTF8&qid=1457499190&sr=1-1&keywords=sjcam4000

http://www.amazon.com/Original-Sj4000-Action-Camera-Camcorder/dp/B00SF5HFO6/ref=sr_1_2?s=electronics&ie=UTF8&qid=1457499190&sr=1-2&keywords=sjcam4000

http://www.amazon.com/SJCAM-Original-SJ4000-Waterproof-Camcorder/dp/B00MIT658W/ref=sr_1_5?s=electronics&ie=UTF8&qid=1457499190&sr=1-5&keywords=sjcam4000