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Got Questions?
We've gathered the most common questions from our customers. If you need anything else, our support team is always here.
We provide a Lifetime Full Coverage Warranty for selected products. If your product breaks or malfunctions, we will repair or replace it free of charge.
No registration or receipt is required. Your Discoveryopt product is automatically covered.
No, accessories are excluded. However, you can return them within 30 days of purchase for free.
Free repair or replacement if the product breaks or malfunctions. If it cannot be repaired, we will replace it with a new product of equal or better performance.
Loss, theft, intentional damage, and cosmetic damage that does not affect performance.
Simply contact our support team by email. No receipt is required.
In most cases, customers pay for shipping to our service center, and Discoveryopt covers the cost of returning the repaired or replaced product.
Processing times may vary, but we aim to handle all warranty claims as quickly as possible.
You can either find "Chat" in the lower left corner of the website to communicate directly with us or email us at 📧support@discoveryopt.com.
Our goal is to ensure you have a product that meets your needs. If you’re not satisfied, we will work with you until the issue is resolved.
Can't find what you're looking for? Our technical support team is ready to help.
Contact SupportDownloads
Manual & App Downloads
Product Manual · DTD Series
Includes complete installation guide, feature overview, parameter setup, and maintenance instructions. Compatible with all DTD335BC and DTD642BC models.
Download App
Two dedicated apps covering real-time thermal viewing and ballistic calculation — available for iOS and Android.
Ready to See in the Dark?
Both models ship globally from facilities in the USA, UK, EU, and China — dispatched from the warehouse nearest to your delivery address.