Holosun DRS-TH: The Waterproof Thermal Reflex Sight for Crisp Heat Detection & Precise Red Dot Aiming

• The Holosun DRS-TH is a field-proven digital reflex sight that merges a standard red dot with an integrated thermal imager. Designed for professional use, this optic allows you to overlay real-time heat signatures directly into your sight picture. Built from rugged 7075-T6 aluminum, the Holosun DRS TH ensures total reliability during night operations, heavy fog, or thick smoke.
• Spot Hidden Targets in Total Darkness with a 256x192 Thermal Sensor: The thermal imaging cuts straight through heavy fog, smoke, and pitch-black conditions. You can instantly spot body heat using the selectable 2 MOA and 65 MOA circle. Features like Shake Awake and up to 10 hours of battery life keep the optic ready for action.
• Identify Threats from Further Away Using 5x Digital Zoom: Adapt to changing visibility using White Hot, Black Hot, Outline, and Highlight modes. The built-in magnification allows you to safely track subjects long before they enter your standard visual range.
• Record Your Entire Mission Instantly on 24GB of Internal Storage: Capture video and photos of the action directly through the optic. You can easily export the MP4 files later and recharge the dual 18350 battery system using the included magnetic USB cable.
• Survive Complete Submersion in Water with IP67 Waterproofing: This thermal reflex sight handles the worst environmental abuse and features a 1000G vibration resistance rating. You can quickly flip down the lens cover and operate the device purely as a standard red dot for over 50,000 hours.

Holosun DRS-TH Review

Holosun Thermal DRS-TH Features & Specifications

The Holosun optic DRS-TH thermal reflex sight - DRS-TH merges a professional-grade red dot sight with a powerful thermal imager, giving you a massive tactical advantage in low-visibility environments. Instead of carrying separate devices, this optic overlays real-time heat signatures directly into your familiar sight picture. This allows you to instantly spot hidden targets through thick smoke, heavy fog, or total darkness while maintaining precise aiming capabilities. It is the exact solution you need to quickly transition between standard visual engagement and thermal detection without ever taking your eyes off the threat.

Key Features

• Thermal and Red Dot Fusion: Overlays a digital thermal image directly onto your standard red dot viewing window.
• Multiple Heat Tracking Modes: Switch between White Hot, Black Hot, Outline, and Highlight display modes to match your specific environment.
• Onboard Video Recording: Capture MP4 video and JPG photos of your action directly to the optic using the built-in memory.
• Multi-Reticle System (MRS): Choose between a precise 2 MOA dot, a wide 65 MOA circle, or a combination of both for fast target acquisition.
• Shake Awake Technology: Automatically activates the red dot when it senses motion and powers down when idle to conserve battery life.
• Magnetic USB Charging: Quickly recharge the dual battery system using the included magnetic interface cable.
• Standalone Red Dot Mode: Flip down the opaque thermal lens cover to block the camera and operate the device purely as a traditional red dot.

Specifications

What's in the box of the DRS Thermal?

• (1) Holosun DRS-TH Thermal Reflex Sight (features pre-installed Picatinny mount and flip-down lens covers)
• (2) 18350 Rechargeable Batteries
• (1) Magnetic USB Charging Cable
• (1) Holosun Multi-Tool
• (1) Lens Cleaning Cloth
• (1) User Manual

Holosun DRS-TH FAQs

What is the 256x192 thermal sensor? 

A thermal sensor is a special camera that sees body heat instead of normal light. The numbers 256x192 tell you how clear the heat picture is.

Why is the 256x192 thermal sensor important? 

This sensor of the DRS TH Holosun is important because it lets you spot hidden targets. Because it reads heat, you can easily see people or animals in total darkness, thick fog, or heavy smoke where normal eyes cannot see.

In simple terms, what does a 1024x768 OLED display with a 50 FPS refresh rate mean? 

This means the small screen inside the Holosun DRSTH is very crisp and smooth. The numbers 1024x768 mean the picture is in high definition. The 50 FPS (frames per second) means the video moves smoothly without lagging or freezing when you quickly move the sight around.

Why are there multiple thermal image modes and how do I use them? 

Different weather and backgrounds can make it hard to see a target. This sight gives you choices like White Hot, Black Hot, Outline, and Highlight. You switch between these modes to make the heat signature stand out the best against whatever is behind your target.

What is MOA and why use a 2 MOA dot and a 65 MOA circle? 

MOA stands for Minute of Angle. It is a simple way to measure how big your aiming dot is on the target. The 2 MOA dot is very small, which is great for aiming carefully at distant targets. The 65 MOA circle is a large ring around the dot, which helps your eye find the center quickly for fast, close-up shots.

How long does the battery last and is it rechargeable? 

Yes, the sight uses two rechargeable batteries. You can charge them easily using the included magnetic USB cable. The batteries power the thermal camera for up to 10 hours. If you turn the thermal camera off, the standard red dot will last for over 50,000 hours.

Is this thermal scope night vision compatible? 

Thermal and night vision are two different things. Traditional night vision needs a little bit of moonlight or starlight to work. Thermal only looks for heat and works in pitch black. This sight is a thermal device, so it solves the problem of seeing in the dark for you without needing separate night vision goggles.

Is the thermal sight Picatinny compatible? 

Yes. It comes with a built-in Picatinny mount. You can clamp it directly to any standard Picatinny rail on your rifle right out of the box.

How far is the Holosun DRS TH range?

 The overall Holosun DRS TH range depends on the weather and the size of your target. Because it uses a high-quality thermal sensor and a 5x digital zoom, the maximum Holosun DRS TH detection range allows you to clearly spot human-sized heat signatures from hundreds of yards away, even in complete darkness.

Which should I choose: Holosun DRS NV vs TH? 

When comparing the Holosun DRS NV vs TH, the best choice depends on your environment. The DRS-NV uses a 1920x1080 digital night vision sensor with up to 8x zoom. It requires some outside light, like moonlight or an IR flashlight, to see clearly. The DRS-TH uses a thermal sensor that reads physical body heat. It does not need any light at all and can see straight through heavy smoke, fog, or pitch-black darkness.

Where can I find the Holosun DRS TH manual?

 We recommend reading the official guide before mounting your sight. You can download the complete Holosun DRS TH manual to learn exactly how to change your thermal color modes, use the video recording, and properly charge the dual battery system. Download Holosun DRS TH Manual Here

Where can I find the Holosun DRS-TH for sale?

If you are looking to buy Holosun DRS TH optics, you can purchase them directly from Atomic Defense. As an authorized dealer, we offer the Holosun DRS TH for sale with full factory warranties and expert customer support. When you need a reliable Holosun DRS-TH for sale, buying straight from us ensures you receive a professional-grade unit that is ready for duty. Simply check our website directly whenever you are looking for a DRS TH for sale to quickly outfit your rifle.