# Combustion Predictive Thermometer vs Lavatools Javelin PRO Duo: specs and price compared

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

## Side by side

| Spec | Combustion Predictive Thermometer | Lavatools Javelin PRO Duo |
| --- | --- | --- |
| US price | $149 | $49.99 |
| Brand | Combustion Inc. | Lavatools |
| Probe type | wireless-probe | instant-read |
| Temp range fahrenheit | -5 to 900 | -40 to 482 |
| Accuracy fahrenheit | ±0.4 | 0.9 |
| Response time sec | — | 3 |
| Num probes | 1 | 1 |
| Connectivity | bluetooth | none |
| Wireless range (ft) | 330 | 0 |
| Water resistance rating | IP69K | IP65 |
| Battery life hrs | 90 | 4000 |
| Display type | app-only | rotating-lcd |
| Weight grams | — | — |

## Key differences

- Probe type: Combustion Predictive Thermometer wireless-probe vs Lavatools Javelin PRO Duo instant-read
- Temp range fahrenheit: Combustion Predictive Thermometer -5 to 900 vs Lavatools Javelin PRO Duo -40 to 482
- Accuracy fahrenheit: Combustion Predictive Thermometer ±0.4 vs Lavatools Javelin PRO Duo 0.9
- Connectivity: Combustion Predictive Thermometer bluetooth vs Lavatools Javelin PRO Duo none
- Wireless range (ft): Combustion Predictive Thermometer 330 vs Lavatools Javelin PRO Duo 0
- Water resistance rating: Combustion Predictive Thermometer IP69K vs Lavatools Javelin PRO Duo IP65
- Battery life hrs: Combustion Predictive Thermometer 90 vs Lavatools Javelin PRO Duo 4000
- Display type: Combustion Predictive Thermometer app-only vs Lavatools Javelin PRO Duo rotating-lcd

## Sources

- Combustion Predictive Thermometer: https://combustion.inc/products/predictive-thermometer-gen2 (combustion.inc, verified 2026-07-11)
- Lavatools Javelin PRO Duo: https://www.lavatools.co/products/javelin-pro-d (lavatools.co, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/meat-thermometers/combustion-predictive-thermometer-vs-lavatools-javelin-pro-duo/
Cite: Per The Front Desk Review, Combustion Predictive Thermometer ($149) vs Lavatools Javelin PRO Duo ($49.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/meat-thermometers/combustion-predictive-thermometer-vs-lavatools-javelin-pro-duo/
License: CC BY 4.0.