Power
• Input Voltage 5.5V
• 4x AA NimH batteries
• Charger: Slow Charge circuit for long lasting batteries

Status Condition
• Red LED indication for On Battery Status
• Green LED indication for charging status

Environment
• Temperature: Min. 0° C – Max. 70° C
• Humidity: Min. 20% – Max. 80% (non-condensing)
• MTBF: 1,400,000 Hours based on field experience with sensorProbe units