2 months of battery runtime on a 4.5-hour charge — and up to 4 months if you turn off the detector at the end of each shift, no daily charging, no unexpected downtime No service required, activate and use for two years Bluetooth included for ease of downloading and sending reports via the Safety Suite App Small, lightweight and wearable One-button operation IntelliFlash™ green light indicates the detector is in compliance; amber light indicates the need for maintenance Compatible with IntelliDoX instrument management system and Honeywell Safety Suite Compatible with TouchConnect, using Bluetooth® for wireless configuration Ingress Protection IP66, IP68 No. of Detectable Gases 4 Working Humidity 5% to 95% Working Temperature -40°C to 60°C (-40°F to 140°F)