# Lavatools Javelin PRO Duo vs FireBoard 2: specs and price compared

A sourced, side-by-side comparison of the Lavatools Javelin PRO Duo (Lavatools) and FireBoard 2 (FireBoard) among meat thermometers. Lavatools Javelin PRO Duo is the cheaper of the two at $49.99.

## Side by side

| Spec | Lavatools Javelin PRO Duo | FireBoard 2 |
| --- | --- | --- |
| US price | $49.99 | $199 |
| Brand | Lavatools | FireBoard |
| Probe type | instant-read | leave-in-wired |
| Temp range fahrenheit | -40 to 482 | -94 to 752 |
| Accuracy fahrenheit | 0.9 | ±0.7 |
| Response time sec | 3 | — |
| Num probes | 1 | 3 |
| Connectivity | none | bluetooth-wifi |
| Wireless range (ft) | 0 | — |
| Water resistance rating | IP65 | none |
| Battery life hrs | 4000 | 30 |
| Display type | rotating-lcd | lcd |
| Weight grams | — | — |

## Key differences

- Probe type: Lavatools Javelin PRO Duo instant-read vs FireBoard 2 leave-in-wired
- Temp range fahrenheit: Lavatools Javelin PRO Duo -40 to 482 vs FireBoard 2 -94 to 752
- Accuracy fahrenheit: Lavatools Javelin PRO Duo 0.9 vs FireBoard 2 ±0.7
- Num probes: Lavatools Javelin PRO Duo 1 vs FireBoard 2 3
- Connectivity: Lavatools Javelin PRO Duo none vs FireBoard 2 bluetooth-wifi
- Water resistance rating: Lavatools Javelin PRO Duo IP65 vs FireBoard 2 none
- Battery life hrs: Lavatools Javelin PRO Duo 4000 vs FireBoard 2 30
- Display type: Lavatools Javelin PRO Duo rotating-lcd vs FireBoard 2 lcd

## Sources

- Lavatools Javelin PRO Duo: https://www.lavatools.co/products/javelin-pro-d (lavatools.co, verified 2026-07-11)
- FireBoard 2: https://www.fireboard.com/shop/fireboard-2/ (fireboard.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/meat-thermometers/lavatools-javelin-pro-duo-vs-fireboard-2/
Cite: Per The Front Desk Review, Lavatools Javelin PRO Duo ($49.99) vs FireBoard 2 ($199) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/meat-thermometers/lavatools-javelin-pro-duo-vs-fireboard-2/
License: CC BY 4.0.