Kestrel 5500 Weather Meter
+ Bluetooth LINK work with PC/Mac via Dongle
+ Bluetooth LINK to Smartphones / Mobiel / Android / IOS
+ Takes 1 AA battery (instead of 2 AAA)
+ Battery door is in the back, sealed away from the motherboard, should your battery leak as was common with all the 4000 series
+ Improved high resolution screen for any lighting (even sunlight) and easy on your eyes.
+ Intuitive user-interface screen navigation
+ Multiple Languages: English, French, German, Spanish
+ Scratch and breakage-resistant window
+ All meters include both options of Red (NV - Night Vision) & White backlights.
+ Slightly bigger, not really noticeable difference. Fits same cases.
+ Includes vane mount with all 5500 models
+ Roughly 10,000 data points.