Get in touch
Questions about an order, a product, or anything else? Send us a message and our team will reply within 24 hours.
Email us
support@physicsdhn.com
Support hours
Mon–Fri, 9am–6pm
Frequently asked questions
How long does shipping take?+
Orders ship within 1–2 business days. Domestic delivery takes 3–5 business days; international 7–14 days.
What is your return policy?+
You can return any unused item within 30 days for a full refund. Contact us and we'll send a prepaid label.
Is my payment secure?+
Yes. All payments are processed by Stripe with bank-level encryption. We never see or store your card details.
Do you ship internationally?+
Yes, we ship worldwide. Shipping costs and delivery estimates are calculated at checkout.
Do products come with a warranty?+
All devices include a 2-year limited warranty against manufacturing defects.