diff --git a/docs/devices/CGP22C.md b/docs/devices/CGP22C.md
new file mode 100644
index 00000000..33c31e51
--- /dev/null
+++ b/docs/devices/CGP22C.md
@@ -0,0 +1,12 @@
+# ClearGrass/Qingping Thermo-Hygrometer CO2 Detector CGP22C
+
+|Model Id|[CGP22C](https://github.com/theengs/decoder/blob/development/src/devices/CGP22C_json.h)|
+|-|-|
+|Brand|ClearGrass/Qingping|
+|Model|Thermo-Hygrometer CO2 Detector|
+|Short Description|Rechargeable temperature, humidity and carbon dioxide sensor|
+|Communication|BLE broadcast|
+|Frequency|2.4Ghz|
+|Power Source|Internal battery/USB-C|
+|Exchanged Data|temperature, humidity, carbon dioxide, battery|
+|Encrypted|No|
diff --git a/src/decoder.h b/src/decoder.h
index 5e2200b1..69f58f63 100644
--- a/src/decoder.h
+++ b/src/decoder.h
@@ -50,6 +50,7 @@ class TheengsDecoder {
     LYWSD02,
     LYWSDCGQ,
     CGP1W,
+    CGP22C,
     CGP23W,
     CGG1_STOCK,
     CGG1_ATC1441,
diff --git a/src/devices.h b/src/devices.h
index d397987a..f2dbd762 100644
--- a/src/devices.h
+++ b/src/devices.h
@@ -25,6 +25,7 @@
 #include "devices/CGDN1_json.h"
 #include "devices/CGH1_json.h"
 #include "devices/CGP1W_json.h"
+#include "devices/CGP22C_json.h"
 #include "devices/CGP23W_json.h"
 #include "devices/CGPR1_json.h"
 #include "devices/ECOFLOW_ADV_json.h"
@@ -143,6 +144,7 @@ const char* _devices[][2] = {
     {_LYWSD02_json, _LYWSD02_json_props},
     {_LYWSDCGQ_json, _LYWSDCGQ_json_props},
     {_CGP1W_json, _CGP1W_json_props},
+    {_CGP22C_json, _CGP22C_json_props},
     {_CGP23W_json, _CGP23W_json_props},
     {_CGG1_json_STOCK, _CGG1_json_props},
     {_CGG1_json_ATC1441, _CGG1_json_props},
diff --git a/src/devices/CGP22C_json.h b/src/devices/CGP22C_json.h
new file mode 100644
index 00000000..cfd4252c
--- /dev/null
+++ b/src/devices/CGP22C_json.h
@@ -0,0 +1,56 @@
+const char* _CGP22C_json = "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Thermo-Hygrometer CO2 Detector\",\"model_id\":\"CGP22C\",\"tag\":\"0f\",\"condition\":[\"servicedata\",\"=\",42,\"index\",2,\"5d\",\"&\",\"uuid\",\"index\",0,\"fdcd\"],\"properties\":{\"tempc\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",20,4,true,true],\"post_proc\":[\"/\",10]},\"hum\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",24,4,true,false],\"post_proc\":[\"/\",10]},\"co2\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",38,4,true,false]},\"batt\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",32,2,false,false],\"post_proc\":[\"&\",127]},\"mac\":{\"decoder\":[\"revmac_from_hex_data\",\"servicedata\",4]}}}";
+/*R""""(
+{
+   "brand":"ClearGrass/Qingping",
+   "model":"Thermo-Hygrometer CO2 Detector",
+   "model_id":"CGP22C",
+   "tag":"0f",
+   "condition":["servicedata", "=", 42, "index", 2, "5d", "&", "uuid", "index", 0, "fdcd"],
+   "properties":{
+      "tempc":{
+         "decoder":["value_from_hex_data", "servicedata", 20, 4, true, true],
+         "post_proc":["/", 10]
+      },
+      "hum":{
+         "decoder":["value_from_hex_data", "servicedata", 24, 4, true, false],
+         "post_proc":["/", 10]
+      },
+      "co2":{
+         "decoder":["value_from_hex_data", "servicedata", 38, 4, true, false]
+      },
+      "batt":{
+         "decoder":["value_from_hex_data", "servicedata", 32, 2, false, false],
+         "post_proc":["&", 127]
+      },
+      "mac":{
+         "decoder":["revmac_from_hex_data", "servicedata", 4]
+      }
+   }
+})"""";*/
+
+const char* _CGP22C_json_props = "{\"properties\":{\"tempc\":{\"unit\":\"°C\",\"name\":\"temperature\"},\"hum\":{\"unit\":\"%\",\"name\":\"humidity\"},\"co2\":{\"unit\":\"ppm\",\"name\":\"carbon_dioxide\"},\"batt\":{\"unit\":\"%\",\"name\":\"battery\"},\"mac\":{\"unit\":\"string\",\"name\":\"MAC address\"}}}";
+/*R""""(
+{
+   "properties":{
+      "tempc":{
+         "unit":"°C",
+         "name":"temperature"
+      },
+      "hum":{
+         "unit":"%",
+         "name":"humidity"
+      },
+      "co2":{
+         "unit":"ppm",
+         "name":"carbon_dioxide"
+      },
+      "batt":{
+         "unit":"%",
+         "name":"battery"
+      },
+      "mac":{
+         "unit":"string",
+         "name":"MAC address"
+      }
+   }
+})"""";*/
diff --git a/tests/BLE/test_ble.cpp b/tests/BLE/test_ble.cpp
index 26c16f37..43ea6ad9 100644
--- a/tests/BLE/test_ble.cpp
+++ b/tests/BLE/test_ble.cpp
@@ -508,6 +508,7 @@ const char* expected_uuid[] = {
     "{\"brand\":\"Feasycom\",\"model\":\"Beacon\",\"model_id\":\"FEASY\",\"type\":\"BCON\",\"track\":true,\"beaconmodel\":\"BP108\",\"batt\":100,\"plugged-in\":false,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
     "{\"brand\":\"Feasycom\",\"model\":\"Beacon\",\"model_id\":\"FEASY\",\"type\":\"BCON\",\"track\":true,\"beaconmodel\":\"BP103B\",\"batt\":100,\"plugged-in\":false,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
     "{\"brand\":\"BlueCharm\",\"model\":\"Beacon 08/04P/021\",\"model_id\":\"KSensor\",\"type\":\"ACEL\",\"track\":true,\"tempc\":21.25,\"tempf\":70.25,\"accx\":4,\"accy\":-12,\"accz\":-4,\"volt\":3.05}",
+    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Thermo-Hygrometer CO2 Detector\",\"model_id\":\"CGP22C\",\"type\":\"AIR\",\"tempc\":25.5,\"tempf\":77.9,\"hum\":43.1,\"co2\":583,\"batt\":100,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
 };
 
 const char* expected_mac_mfg[] = {
@@ -1430,6 +1431,7 @@ const char* test_uuid[][4] = {
     {"Feasycom BP108", "0xfff0", "servicedata", "27021992aabbccddeeff64"},
     {"Feasycom BPXXX", "0xfff0", "servicedata", "29021992aabbccddeeff64"},
     {"BlueCharm BC04P", "0xfeaa", "servicedata", "21000b0bea15400004fff4fffc"},
+    {"ClearGrass CO2 Detector", "0xfdcd", "servicedata", "0a5dffeeddccbbaa0104ff00af0102016413024702"},
 };
 
 TheengsDecoder::BLE_ID_NUM test_uuid_id_num[]{
@@ -1567,6 +1569,7 @@ TheengsDecoder::BLE_ID_NUM test_uuid_id_num[]{
     TheengsDecoder::BLE_ID_NUM::FEASY,
     TheengsDecoder::BLE_ID_NUM::FEASY,
     TheengsDecoder::BLE_ID_NUM::BC08,
+    TheengsDecoder::BLE_ID_NUM::CGP22C,
 };
 
 // MAC manufacturer data test input [test name] [mac] [data]