I've tried and tested a few brands of Instant read Thermometers over the years.

Thermapen wins hands down. They are super quick to read, accurate and last for years, even with daily use! 

The Thermapen^® Classic thermometer is fast, accurate and used by chefs and BBQ enthusiasts worldwide. 

• Versatile for all your cooking needs, use on meat, fish, jam or bread
• Variety of colours to match your style
• SuperFast – reaches temperature in just 3 seconds
• Over 50 % faster than traditional probes
• FREE traceable certificate of calibration
• Simple & lightweight to use