diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index 1f6d96c3..3710fd41 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -29,8 +29,8 @@
   "input.ColorSensor.reflectedLight": "Get current reflected light value from the color sensor.",
   "input.GyroSensor.angle": "Get the current angle from the gyroscope.",
   "input.GyroSensor.rate": "Get the current rotation rate from the gyroscope.",
-  "input.IrSensor.distance": "Get the distance measured by the infrared sensor.",
-  "input.IrSensor.remoteCommand": "Get the remote commandreceived the infrared sensor.",
+  "input.InfraredSensor.proximity": "Get the promixity measured by the infrared sensor, from ``0`` (close) to ``100`` (far)",
+  "input.InfraredSensor.remoteCommand": "Get the remote commandreceived the infrared sensor.",
   "input.TouchSensor.isTouched": "Check if touch sensor is touched.",
   "input.TouchSensor.onEvent": "Do something when a touch sensor is touched...",
   "input.TouchSensor.onEvent|param|body": "code to run when the event is raised",
diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index 7bb52492..a0cec4db 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -30,8 +30,8 @@
   "input.ColorSensor.reflectedLight|block": "%color| reflected light",
   "input.GyroSensor.angle|block": "%sensor|angle",
   "input.GyroSensor.rate|block": "%sensor|rotation rate",
-  "input.IrSensor.distance|block": "%infrared|distance",
-  "input.IrSensor.remoteCommand|block": "%infrared|remote command",
+  "input.InfraredSensor.proximity|block": "%infrared|proximity",
+  "input.InfraredSensor.remoteCommand|block": "%infrared|remote command",
   "input.TouchSensor.isTouched|block": "%sensor|is touched",
   "input.TouchSensor.onEvent|block": "on %sensor|%event",
   "input.UltraSonicSensor.distance|block": "%sensor|distance",
diff --git a/libs/core/ir.ts b/libs/core/ir.ts
index 2ceaed5a..5e2849fa 100644
--- a/libs/core/ir.ts
+++ b/libs/core/ir.ts
@@ -42,7 +42,7 @@ namespace input {
 
     let buttons: Button[]
 
-    function create(ir: IrSensor) {
+    function create(ir: InfraredSensor) {
         // it's created by referencing it
     }
 
@@ -54,10 +54,10 @@ namespace input {
             }
 
             // make sure sensors are up
-            create(ir1)
-            create(ir2)
-            create(ir3)
-            create(ir4)
+            create(infrared1)
+            create(infrared2)
+            create(infrared3)
+            create(infrared4)
         }
 
         let num = -1
@@ -69,8 +69,8 @@ namespace input {
         return buttons[num]
     }
 
-    //% fixedInstance
-    export class IrSensor extends internal.UartSensor {
+    //% fixedInstances
+    export class InfraredSensor extends internal.UartSensor {
         private channel: IrRemoteChannel
 
         constructor(port: number) {
@@ -110,17 +110,17 @@ namespace input {
         }
 
         /**
-         * Get the distance measured by the infrared sensor.
+         * Get the promixity measured by the infrared sensor, from ``0`` (close) to ``100`` (far)
          * @param ir the infrared sensor
          */
-        //% help=input/infrared/distance
-        //% block="%infrared|distance"
-        //% blockId=infraredGetDistance
+        //% help=input/infrared/proximity
+        //% block="%infrared|proximity"
+        //% blockId=infraredGetProximity
         //% parts="infrared"
         //% blockNamespace=input
         //% weight=65 blockGap=8   
         //% group="Infrared Sensor"     
-        distance() {
+        proximity() {
             this.setMode(IrSensorMode.Proximity)
             return this.getNumber(NumberFormat.UInt8LE, 0)
         }
@@ -148,17 +148,17 @@ namespace input {
         }
     }
 
-    //% whenUsed
-    export const ir1: IrSensor = new IrSensor(1)
+    //% fixedInstance whenUsed
+    export const infrared1: InfraredSensor = new InfraredSensor(1)
 
-    //% whenUsed
-    export const ir2: IrSensor = new IrSensor(2)
+    //% fixedInstance whenUsed
+    export const infrared2: InfraredSensor = new InfraredSensor(2)
 
-    //% whenUsed
-    export const ir3: IrSensor = new IrSensor(3)
+    //% fixedInstance whenUsed
+    export const infrared3: InfraredSensor = new InfraredSensor(3)
 
-    //% whenUsed
-    export const ir4: IrSensor = new IrSensor(4)
+    //% fixedInstance whenUsed
+    export const infrared4: InfraredSensor = new InfraredSensor(4)
 
     /**
      * Remote top-left button.
diff --git a/libs/core/ns.ts b/libs/core/ns.ts
index 4902e556..14238015 100644
--- a/libs/core/ns.ts
+++ b/libs/core/ns.ts
@@ -1,5 +1,5 @@
 
 //% color="#B4009E" weight=98 icon="\uf192"
-//% groups='["Touch Sensor", "Gyro Sensor", "Color Sensor", "Ultrasonic Sensor", "Infrared Sensor", "Remote", "Brick"]'
+//% groups='["Touch Sensor", "Color Sensor", "Ultrasonic Sensor", "Infrared Sensor", "Remote", "Brick", "Gyro Sensor"]'
 namespace input {
 }