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Product Details

The GUIDE TD433L is a feature-packed handheld thermal monocular built for hunters who want accurate ranging alongside sharp thermal detection. With a 400×300 VOx sensor, a built-in 1,000m laser rangefinder, a 1,800m detection range, and a replaceable 18650 battery delivering up to 12 hours of runtime, the TD433L gives you everything you need for extended night hunts without compromise.

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

• 35mm F1.0 objective lens — increased light gathering for sharper long-range imagery

• Detection range up to 1,800m (~1,950 yards)

• 2.9× base magnification with digital zoom up to 11.6×

• Field of view: 7.9° × 5.9°

• 0.36" AMOLED 1280×960 display — 50Hz frame rate for smooth, fluid imagery on moving targets

• Built-in 1,000m laser rangefinder — accurate distance readings in the field without a separate device

• Eye relief: 20mm | Diopter adjustment: -6 to +6

• GUIDE TargetIR app — dual-band Wi-Fi (2.4GHz & 5GHz) for live viewing, footage storage and sharing, and OTA firmware updates

• Replaceable 18650 battery — approximately 12 hours continuous operation, carry spares for multi-night hunts

• Onboard photo and video recording

• IP67 waterproof and dustproof — built for Australian field conditions

• Weight: 370g | Dimensions: 159 × 54 × 74mm

• 10-year warranty on optic and thermal sensor

What's Included

• GUIDE TD433L Thermal Monocular

• 18650 Rechargeable Battery

• Battery Charger

• Hand Strap

• Eye Cup

• Lens Cloth

• User Manual


The GUIDE TD433L steps up from the TE421 with a larger 35mm lens, a built-in laser rangefinder, a sharper 1280×960 display, and a replaceable battery system that keeps you in the field longer. If you're hunting pigs, deer, or feral animals at range and need accurate distance readings on the spot, the TD433L is the tool for the job.