diff --git a/environmental_measurement.proto b/environmental_measurement.proto
index 6a7d090..04b6848 100644
--- a/environmental_measurement.proto
+++ b/environmental_measurement.proto
@@ -7,4 +7,7 @@ message EnvironmentalMeasurement {
   float relative_humidity = 2;
   float barometric_pressure = 3;
   float gas_resistance = 4;
+  float voltage = 5;
+  float current = 6;
+  
 }