How to identify a fake GHD

How to identify if you have a fake ghd or your looking to buy a ghd and are worried about the fake trap, as detailed in the video here is a list of know fake numbers.
4nhbn zeyuv 6a529
7s1g8 wvky9 xzhuz
561u1 cebzu 5g0ab
7awkx rsv9n y0g5p
4v177 38kkd un3kq
7kud4 g3fmx tn3ar
4nsc6 qmqn5 urr6d
666fv wr3k6 m1f0c
5xry2 7n902 sgb83
4wxut bf7k0 zkrpw
4a2rb kdkm1 mrcug
4hxmr 6zaeb d8d59
4a2rb kdkm1 mrcug
69w5k fyesx gzkvv
70pn7 9mt8z r2290
7bfas y3vpj crd18
548rw pe1kv f7w13
5qu7s 5f23n vrsfv
7ew74 cry6n 5w2yn
5xp7f un5k7 ywv8h
53v4n 470u8 ru537
599y1 kqw06 qah3e
4s1d6 qax1v rn5hy
6zrat e5g7g hzsvs
6p5y2 uxzkz t4u7e
5ggsy dnyz4 r26gc
5sn3k gs2ev 23crf
6bjie cswne td7an
45937 ywcec kqg0z
4xw5w v56zk yygvk
7ncme 0w2sr 8a20m