Corydor via Amazon offers Prime members the CDN Glow ProAccurate Meat/Poultry Ovenproof Thermometer, model no. IRM200, for $6.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.10.) That's the lowest total price we could find by $4. It is NSF certified, has a glow-in-the-dark dial, and is ovenproof and waterproof.