What are the battery power options and requirements for an Alarm.com Flex IO® sensor?

GoSafer Security Knowledge Base
This operational reference is organized for GoSafer Security customers and staff. Alarm.com product names are retained where required for technical accuracy.
Overview
The Alarm.com Flex IO® sensor uses four 1.5V AA lithium batteries. These batteries are included in the box. Under normal conditions, battery life is expected to be 2 years.
Caution: Alkaline batteries or any battery greater than 1.5 V (e.g., the Saft 3.6 V) should not be used.
The Alarm.com Flex IO® sensor device will only be awake when there is activity on the Alarm.com Flex IO® sensor contact sensor. The Alarm.com Flex IO® sensor only communicates sensor status updates one-way to the Alarm.com cloud, and does not receive any commands.
  
    
Platform
General / Device
    
Content type
How-to / Configuration
    
Source last updated
2023-11-15
  
Procedure
The Alarm.com Flex IO® sensor uses four 1.5V AA lithium batteries. These batteries are included in the box. Under normal conditions, battery life is expected to be 2 years.
Caution: Alkaline batteries or any battery greater than 1.5 V (e.g., the Saft 3.6 V) should not be used.
The Alarm.com Flex IO® sensor device will only be awake when there is activity on the Alarm.com Flex IO® sensor contact sensor. The Alarm.com Flex IO® sensor only communicates sensor status updates one-way to the Alarm.com cloud, and does not receive any commands.
Note: If batteries are not installed, a Low Battery trouble condition appears.
For more information about installation, see Alarm.com Flex IO® sensor - Installation Guide.
Source and support
For GoSafer Security assistance, visit gosafersecurity.com.
Original Alarm.com reference: https://answers.alarm.com/Customer/Website_and_App/Cellular_Sensor/Alarm.com_Flex_IO_sensor/What_are_the_battery_power_options_and_requirements_for_an_Alarm.com_Flex_IO_sensor%3F
Always verify safety, installation, compatibility, and current UI details against the original manufacturer documentation before operational use.