This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Or better yet:
“It’s 1234. If that doesn’t work, press C then 1234.”
Is that better? I’ve had email replies fail to pick up the latter half of sentences. I wouldn’t trust it in physical instructions!