diff --git a/pyHS100/cli.py b/pyHS100/cli.py
index 892331db..640397e3 100755
--- a/pyHS100/cli.py
+++ b/pyHS100/cli.py
@@ -217,6 +217,9 @@ def temperature(dev, temperature):
         click.echo("Color temperature: %s" % dev.color_temp)
         if dev.valid_temperature_range != (0, 0):
             click.echo("(min: %s, max: %s)" % dev.valid_temperature_range)
+        else:
+            click.echo("Temperature range unknown, please open a github issue"
+                       " or a pull request for model '%s'" % dev.model)
     else:
         click.echo("Setting color temperature to %s" % temperature)
         dev.color_temp = temperature
diff --git a/pyHS100/smartbulb.py b/pyHS100/smartbulb.py
index 9664efec..dcdc98d2 100644
--- a/pyHS100/smartbulb.py
+++ b/pyHS100/smartbulb.py
@@ -285,6 +285,7 @@ class SmartBulb(SmartDevice):
         }  # type: Dict[str, Any]
         if self.is_variable_color_temp:
             info["Color temperature"] = self.color_temp
+            info["Valid temperature range"] = self.valid_temperature_range
         if self.is_color:
             info["HSV"] = self.hsv