What is the typical battery life of the sensors?

Sensor battery life varies for each device, and can depend on how much use the device gets. Here are general guidelines on battery life and replaceability:

E8 Asset Tracker: Replaceable CR2032, up to 1 year battery life

Flic Button: Replaceable CR2032, 2-3 year battery life

HOBO MX-100 Temp Monitor: Non-replaceable, 1 year battery life

RS40 Occupancy and Motion Sensor: Replaceable AAA batteries, up to 5 year battery life