You can't be sure right now, since the price of crypto is sky rocketing we are not sure if those produce are also safe, there are some news that even in the hardware facilities that the hardware wallet are being tampered , if that happens then you are in big trouble, before its the way to go to store crypto but with this news are alarming and we should be very careful also those resellers we don't know what they did.
As long as it's from the official manufacturer and source, there won't be any problem at all. The tampering happens once the hardware wallet is already out of the manufacturer and that's where the magic happens from these cons. The manufacturers have their verified resellers, so check also the store if they're reputable and known in the area where you are about to buy. A simple research will save someone's life savings if they do it with due diligence. To check if it's tampered or not, make sure that there is no pre-seed and it's not loaded upon opening. It should be the customer that shall generate it for themselves. That's one way to check if it's tampered or not. Check for official seals and official software on that hardware wallet.