The Guide TD633L 3.0 LRF Thermal Monocular is built for hunters, outdoor professionals, and security specialists who need reliable, long-range thermal imaging in a compact, portable design. Its high-sensitivity 12 μm infrared detector with 640×512 resolution and 35 mm lens delivers crisp, detailed thermal images even in total darkness, fog, or harsh weather. With NETD down to 20 mK, it captures subtle temperature differences clearly, making it a trusted tool for night surveillance and extended outdoor excursions.

With a detection range of up to 1,800 m, the TD633L makes it easy to spot and identify heat signatures at extreme distances. The integrated 1000m laser rangefinder provides fast, precise distance measurements for scouting, targeting, and observation, giving hunters and outdoor professionals the information they need for accurate decisions in the field. The ambidextrous design and central focusing roller allow smooth one-handed operation, while rugged IP67-rated construction ensures durability in rain, dust, and rough conditions.

Powered by a replaceable high-capacity 18650 battery, the TD633L delivers up to 12 hours of continuous use, with blind installation even in low-light conditions. Built-in Wi-Fi and app connectivity let you stream, record, and update firmware in real time. Its 32 GB internal storage supports video with audio and storing over 100,000 images, making the Guide TD633L compact LRF thermal monocular an ideal companion for professional and recreational outdoor use.

Key Features

• High-Sensitivity Thermal Sensor: 12 μm detector with 640×512 resolution and 35 mm lens provides crisp, clear images for accurate thermal observation.

• Long Detection Range: Spot heat signatures up to 1,800 m, making the Guide TD633L thermal monocular ideal for hunting and surveillance.

• Built-In Laser Rangefinder: 1000 m LRF delivers fast, reliable distance readings for precise field use.

• Extended Battery Life: Replaceable 18650 battery gives up to 12 hours of continuous operation in the field.

• Rugged, Compact Design: IP67-rated housing ensures the Guide TD633L compact LRF thermal monocular withstands harsh outdoor conditions.

• Smart Connectivity and Storage: Wi-Fi streaming, app control, and 32 GB storage let you record, share, and update effortlessly.

Full Specifications

What's In The Box

• Guide TD633L 3.0 LRF Thermal Monocular
• Dust-Free Cloth
• Hand Strap
• Eye Mask
• Battery Charger
• 18650 Battery ×1
• 5V 2A Adapter
• USB-A to USB-C Cable
• Quick Start Guide
• Warranty Card

TargetIR App

Stream HD photos and videos from your Guide Sensmart device direct to your smartphone through WiFi integration. This app has the ability to remotely access the image bank of Guide devices and share content in real time on other applications.

About Guide IR

Established in 2016, Guide Sensmart is an up and coming R&D and manufacturer company of night vision devices who utilise their cutting-edge thermal firmware to create a wide variety of night vision products. Their products range from thermal monoculars, binoculars and scopes which are used for hunting, law enforcement and outdoor applications, to thermal surveillance cameras used for security and high-performance thermal cameras that are used for thermography, smart manufacturing and intelligent farming purposes. With an emphasis on integrity and environmental responsibility, Guide delivers innovative thermal and night vision products that enhance the everyday lives of people. 

Product Code: GUI-TIGUI052