On Thursday, SatoshiLabs, the company behind Trezor, released a promo video of their latest wallet: The Trezor Safe 3.

It is an impressive unit, boasting a major security upgrade, more supported crypto assets and a sturdier case than its similarly-priced counterpart, the Trezor Model One.

Launched in July 2014, the Trezor Model One has been one of the longest-lasting forms of cold storage still actively used and holds the title of the world’s first hardware wallet for cryptocurrencies.

Despite being an affordable and reliable device, it has two shortcomings that users need to be mindful of when selecting and interacting with a Trezor wallet: