diff --git a/exporter/main.rb b/exporter/main.rb
index 3ea3dd7..dd5ed25 100644
--- a/exporter/main.rb
+++ b/exporter/main.rb
@@ -3,9 +3,12 @@
 
 entrypoint = ENV['ENTRYPOINT']
 db = SQLite3::Database.new ENV['DATABASE']
+name = ENV['NAME'] || 'daily_power_consumption'
 
-db.execute("SELECT ts,value FROM data WHERE name='daily_power_consumption' ORDER BY ts DESC LIMIT 1") do |row| 
-    title = "#{row[1].to_i/1000.0} kW.h"
+db.execute("SELECT ts,value,unit FROM data WHERE name='#{name}' and ts=strftime('%s','now', 'start of day', '-1 day') ORDER BY ts DESC LIMIT 1") do |row|
+    unit = row[2]
+    title = "#{row[1].to_i/1000.0} kW.h" if unit == "indice"
+    title = "#{row[1]} L" if unit == "liter"
     response = HTTParty.get("#{entrypoint}?title=#{title}&timestamp=#{row[0]}")
     puts response.body
 end
\ No newline at end of file