Kestrel 5400 Heat Stress WBGT Meter Orange 0854ORA Flash Hider giving end users a performance

giving end users a performance advantage to keep them safer on the job

The QuiqLiteX1 features a new state-of-the-art Stainless Steel adjustable arm heat sink

QuickClik switching between function sets: General (high

Top unbuckles forming swing-down extension

Kestrel 5400 Heat Stress WBGT Meter Orange 0854ORA Flash Hider giving end users a performanceAs for weather reading features, they will be the same. You won't get a 'better' temperature reading, wind reading, etc, or even more readings than available on the 4400 4600 Still, the same quality USA made meter backed by a 5 year warranty. That being said there are some pretty outstanding updates. Flag warnings via loud buzzer & LED beacon! Bluetooth LINK works with PC Mac via Dongle Bluetooth LINK to Smartphones Mobiel Android IOS Takes 1 AA