This is an automatic translation by software: Is this a product that can produce several different frequencies and do I need different forks for this or is one fork enough to produce different sounds?

<ul id="isPasted" style="list-style: disc; margin: 4px 0px; padding: 0px; padding-inline: 24px 0px; box-sizing: border-box; color: rgb(66, 66, 66); font-family: "Segoe Sans", "Segoe UI", "Segoe UI Web (West European)", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(250, 250, 250); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> Thank you for the inquiry, Pitch Pipe Chromatic Tuner = one device, multiple tones. Tuning Forks = one tuning fork = one tone → you need more tuning forks for more tones.