Table:
|  |  | Year Ended December 31, |  |
| --- | --- | --- | --- |
| Revenue: |  |  | % Change |
|  | 2019 | 2018 | 2019 vs. 2018 |
| SaaS and license revenue | $337,375 | $291,072 | 16% |
| Hardware and other revenue | 164,988 | 129,422 | 27% |
| Total revenue | $502,363 | $420,494 | 19% |
Paragraphs:
Comparison of Years Ended December 31, 2019 to December 31, 2018
The following tables in this section set forth our selected consolidated statements of operations (in thousands), data for the percentage change and data as a percentage of revenue for the years ended December 31, 2019 and 2018. Certain previously reported amounts in the consolidated statements of operations for the year ended December 31, 2018 have been reclassified to conform to our current presentation to reflect interest income as a separate line item, which was previously included in other income, net.
Revenue
The $81.9 million increase in total revenue in 2019 as compared to 2018 was the result of a $46.3 million, or 16%, increase in our SaaS and license revenue and a $35.6 million, or 27%, increase in our hardware and other revenue. Our software license revenue included within SaaS and license revenue increased $2.1 million to $43.4 million in 2019 as compared to $41.3 million during 2018. The increase in our Alarm.com segment SaaS and license revenue in 2019 was primarily due to growth in our subscriber base, including the revenue impact from subscribers we added in 2018. To a lesser extent, SaaS and license revenue increased in the period due to an increase in license fees. The increase in hardware and other revenue in 2019 compared to 2018 was due to an increase in the volume of video cameras sold. Our Other segment contributed 15% of the increase in SaaS and license revenue in 2019 as compared to 2018. The increase in SaaS and license revenue for our Other segment in 2019 as compared to 2018 was due to an increase in sales of our energy management and demand response solutions and our property management and HVAC solutions. Hardware and other revenue in our Other segment decreased 13% in 2019 as compared to 2018, primarily due to the timing of sales related to our remote access management solution.
Question:
Why was there an increase in hardware and other revenue in 2019 compared to 2018?
Answer: due to an increase in the volume of video cameras sold.