GUIDE TE421 THERMAL MONOCULAR 400x300

The GUIDE TE421 is a compact, pocket-sized thermal monocular built for hunters and shooters who need reliable thermal detection without the bulk. With a 400×300 VOx sensor, a detection range of up to 1,400 yards, and a quick-charge battery that delivers an hour of use from just 10 minutes on charge, the TE421 gives you capable thermal performance in the smallest package available.

Features & Specifications

• 400×300 VOx thermal sensor, 12µm pixel pitch — detailed thermal imagery and reliable target identification at hunting distances

• NETD ≤25mK — sensitive thermal detection for improved contrast in low heat-differential conditions

• 25mm F1.0 objective lens — compact and lightweight without sacrificing thermal sensitivity

• Detection range up to 1,400 yards (~1,280m)

• 1.9× base magnification with digital zoom up to 7.6×

• Field of view: 11° × 8.2°

• 0.32" AMOLED 800×600 display — 50Hz frame rate for smooth, fluid imagery on moving targets

• GUIDE TargetIR app — Wi-Fi connectivity for live viewing, footage storage and sharing, and OTA firmware updates

• Built-in rechargeable battery — approximately 6 hours continuous operation, USB-C charging

• Quick charge — 10 minutes of charge delivers 1 hour of use

• Onboard photo and video recording

• IP67 waterproof and dustproof — built for Australian field conditions

• Automatic sleep mode — conserves battery during inactive periods

• Ultra-compact and lightweight — fits in a shirt pocket

• 10-year warranty on optic and thermal sensor

What's Included

• GUIDE TE421 Thermal Monocular

• USB-C Charging Cable

• Carry Case

• Lens Cloth

• Wrist Strap / Lanyard

• User Manual

The GUIDE TE421 delivers genuine thermal performance in a package small enough to carry in your pocket. Whether you're scanning paddocks for pigs, glassing ahead of a deer stalk, or running it as a secondary spotter alongside your main setup, it covers the job without the weight or bulk of a larger unit.