3way switch controls

I am going to install a Leviton DZ15S-1BZ switch into a 3 way location and was wondering if both switches have to be zway comparable? Or can one switch just be a normal 3 way switch .


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So after some reading I see I need an add-on switch . Anything else I?m missing ?

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It is strongly recommended that you hire a qualified electrician to install your Switch. Make sure to turn off the power before beginning installation.

Follow the installation manual instructions for wiring.