diff --git a/tests/lighting-decode.test.js b/tests/lighting-decode.test.js
new file mode 100644
index 0000000..9de2e13
--- /dev/null
+++ b/tests/lighting-decode.test.js
@@ -0,0 +1,181 @@
+const { deepEqual, throws } = require('assert');
+const { describe, it } = require('node:test');
+const { Decoders } = require('../dist/cjs');
+const goodTests = [
+  {
+    description: 'RTTrPL + Lighting Output + Universe + Spot + Single Channel Block',
+    bytes: new Uint8Array([
+      65, 84, 0x44, 0x34, 0, 2, 0, 0, 0, 1, 0, 0, 53, 18, 52, 86, 120, 1, 0x07, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01,
+      0x01, 0x00, 0x00, 0x00, 0x64, 0x00, 0x01, 0x09, 0x00, 0x15, 0x12, 0x34, 0x00, 0x01, 0x0a, 0x00, 0x0e, 0x12, 0x34,
+      0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, 0x06, 0x40,
+    ]),
+    expected: {
+      header: {
+        intHeader: 0x4154,
+        floatHeader: 0x4434,
+        version: 2,
+        packetID: 1,
+        packetFormat: 0,
+        size: 53,
+        context: 0x12345678,
+        subModuleCount: 1,
+        isLittleEndian: false,
+      },
+      modules: [
+        {
+          type: 0x07,
+          size: 35,
+          sequence: 1,
+          action: 1,
+          holdTime: 100,
+          numberOfUniverses: 1,
+          universes: [
+            {
+              type: 0x09,
+              size: 21,
+              id: 0x1234,
+              numberOfSpots: 1,
+              spots: [
+                {
+                  type: 0x0a,
+                  size: 14,
+                  id: 0x1234,
+                  offset: 1,
+                  numberOfChannelBlocks: 1,
+                  channelBlocks: [
+                    {
+                      offset: 0x08,
+                      fade: 0x06,
+                      value: 0x40,
+                    },
+                  ],
+                },
+              ],
+            },
+          ],
+        },
+      ],
+    },
+    decoder: Decoders.RTTrPL,
+  },
+  {
+    description: 'Lighting Output + Universe + Spot + Single Channel Block',
+    bytes: new Uint8Array([
+      0x07, 0x00, 0x23, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x64, 0x00, 0x01, 0x09, 0x00, 0x15, 0x12, 0x34,
+      0x00, 0x01, 0x0a, 0x00, 0x0e, 0x12, 0x34, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, 0x06, 0x40,
+    ]),
+    expected: {
+      type: 0x07,
+      size: 35,
+      sequence: 1,
+      action: 1,
+      holdTime: 100,
+      numberOfUniverses: 1,
+      universes: [
+        {
+          type: 0x09,
+          size: 21,
+          id: 0x1234,
+          numberOfSpots: 1,
+          spots: [
+            {
+              type: 0x0a,
+              size: 14,
+              id: 0x1234,
+              offset: 1,
+              numberOfChannelBlocks: 1,
+              channelBlocks: [
+                {
+                  offset: 0x08,
+                  fade: 0x06,
+                  value: 0x40,
+                },
+              ],
+            },
+          ],
+        },
+      ],
+    },
+    decoder: Decoders.LightingOutput,
+  },
+  {
+    description: 'Universe + Spot + Single Channel Block',
+    bytes: new Uint8Array([
+      0x09, 0x00, 0x15, 0x12, 0x34, 0x00, 0x01, 0x0a, 0x00, 0x0e, 0x12, 0x34, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00,
+      0x06, 0x40,
+    ]),
+    expected: {
+      type: 0x09,
+      size: 21,
+      id: 0x1234,
+      numberOfSpots: 1,
+      spots: [
+        {
+          type: 0x0a,
+          size: 14,
+          id: 0x1234,
+          offset: 1,
+          numberOfChannelBlocks: 1,
+          channelBlocks: [
+            {
+              offset: 0x08,
+              fade: 0x06,
+              value: 0x40,
+            },
+          ],
+        },
+      ],
+    },
+    decoder: Decoders.Universe,
+  },
+  {
+    description: 'Spot + Single Channel Block',
+    bytes: new Uint8Array([0x0a, 0x00, 0x0e, 0x12, 0x34, 0x00, 0x01, 0x00, 0x01, 0x00, 0x08, 0x00, 0x06, 0x40]),
+    expected: {
+      type: 0x0a,
+      size: 14,
+      id: 0x1234,
+      offset: 1,
+      numberOfChannelBlocks: 1,
+      channelBlocks: [
+        {
+          offset: 0x08,
+          fade: 0x06,
+          value: 0x40,
+        },
+      ],
+    },
+    decoder: Decoders.Spot,
+  },
+  {
+    description: 'Channel Block',
+    bytes: new Uint8Array([0x00, 0x08, 0x00, 0x06, 0x40]),
+    expected: {
+      offset: 0x08,
+      fade: 0x06,
+      value: 0x40,
+    },
+    decoder: Decoders.ChannelBlock,
+  },
+];
+
+describe('RTTrPL Bytes Decoding', () => {
+  goodTests.forEach((bytesTest) => {
+    it(bytesTest.description, () => {
+      const decoded = bytesTest.decoder(bytesTest.bytes);
+      deepEqual(decoded, bytesTest.expected);
+    });
+  });
+});
+
+// TODO(jwetzell): add error tests
+const badTests = [];
+describe('RTTrPL Bytes Decoding Throws', () => {
+  badTests.forEach((bytesTest) => {
+    it(bytesTest.description, () => {
+      throws(() => {
+        bytesTest.decoder(bytesTest.bytes);
+      }, bytesTest.throwsMessage);
+    });
+  });
+});