diff --git a/docs/devices/CGG3.md b/docs/devices/CGG3.md
new file mode 100644
index 00000000..d79d0a5a
--- /dev/null
+++ b/docs/devices/CGG3.md
@@ -0,0 +1,12 @@
+# ClearGrass/Qingping Hygro Thermometer CGG3
+
+|Model Id|[CGG3](https://github.com/theengs/decoder/blob/development/src/devices/CGG1_json.h)|
+|-|-|
+|Brand|ClearGrass/Qingping|
+|Model|Round Hygro Thermometer|
+|Short Description|High-Precision temperature and humidity sensor with e-ink display|
+|Communication|BLE broadcast|
+|Frequency|2.4Ghz|
+|Power Source|1 AAA|
+|Exchanged Data|temperature, humidity, battery|
+|Encrypted|No|
diff --git a/src/devices/CGG1_json.h b/src/devices/CGG1_json.h
index df0b6ea3..c32db9a3 100644
--- a/src/devices/CGG1_json.h
+++ b/src/devices/CGG1_json.h
@@ -1,13 +1,13 @@
 #include "common_props.h"
 
-const char* _CGG1_json_STOCK = "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1\",\"tag\":\"01\",\"condition\":[\"servicedata\",\"=\",34,\"index\",2,\"07\",\"|\",\"servicedata\",\"=\",34,\"index\",2,\"16\",\"&\",\"uuid\",\"index\",0,\"fdcd\"],\"properties\":{\"tempc\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",20,4,true],\"post_proc\":[\"/\",10]},\"hum\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",24,4,true],\"post_proc\":[\"/\",10]},\"batt\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",32,2,false]},\"mac\":{\"decoder\":[\"revmac_from_hex_data\",\"servicedata\",4]}}}";
+const char* _CGG1_json_STOCK = "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1/CGG3\",\"tag\":\"01\",\"condition\":[\"servicedata\",\"=\",34,\"index\",2,\"07\",\"|\",\"servicedata\",\"=\",34,\"index\",2,\"16\",\"|\",\"servicedata\",\"=\",34,\"index\",2,\"4f\",\"&\",\"uuid\",\"index\",0,\"fdcd\"],\"properties\":{\"tempc\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",20,4,true],\"post_proc\":[\"/\",10]},\"hum\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",24,4,true],\"post_proc\":[\"/\",10]},\"batt\":{\"decoder\":[\"value_from_hex_data\",\"servicedata\",32,2,false]},\"mac\":{\"decoder\":[\"revmac_from_hex_data\",\"servicedata\",4]}}}";
 /* R""""(
 {
    "brand":"ClearGrass/Qingping",
    "model":"Round TH",
-   "model_id":"CGG1",
+   "model_id":"CGG1/CGG3",
    "tag":"01",
-   "condition":["servicedata", "=", 34, "index", 2, "07", "|", "servicedata", "=", 34, "index", 2, "16", "&", "uuid", "index", 0, "fdcd"],
+   "condition":["servicedata", "=", 34, "index", 2, "07", "|", "servicedata", "=", 34, "index", 2, "16", "|", "servicedata", "=", 34, "index", 2, "4f", "&", "uuid", "index", 0, "fdcd"],
    "properties":{
       "tempc":{
          "decoder":["value_from_hex_data", "servicedata", 20, 4, true],
diff --git a/tests/BLE/test_ble.cpp b/tests/BLE/test_ble.cpp
index 5f9fd969..77cef72d 100644
--- a/tests/BLE/test_ble.cpp
+++ b/tests/BLE/test_ble.cpp
@@ -496,9 +496,9 @@ const char* expected_uuid[] = {
     "{\"brand\":\"Qingping\",\"model\":\"Contact Sensor\",\"model_id\":\"CGH1\",\"type\":\"CTMO\",\"cont\":true,\"open\":false,\"mac\":\"58:2D:34:60:10:75\"}",
     "{\"brand\":\"Qingping\",\"model\":\"Contact Sensor\",\"model_id\":\"CGH1\",\"type\":\"CTMO\",\"cont\":true,\"open\":true,\"mac\":\"58:2D:34:60:10:75\"}",
     "{\"brand\":\"Qingping\",\"model\":\"Contact Sensor\",\"model_id\":\"CGH1\",\"type\":\"CTMO\",\"cont\":true,\"open\":false,\"mac\":\"58:2D:34:60:10:75\"}",
-    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1\",\"type\":\"THB\",\"tempc\":27.4,\"tempf\":81.32,\"hum\":62.6,\"batt\":13,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
-    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1\",\"type\":\"THB\",\"tempc\":23.5,\"tempf\":74.3,\"hum\":28.3,\"batt\":100,\"mac\":\"YY:YY:YY:YY:YY:YY\"}",
-    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1\",\"type\":\"THB\",\"tempc\":24.4,\"tempf\":75.92,\"hum\":31.5,\"batt\":100,\"mac\":\"XX:XX:XX:XX:XX:XX\"}",
+    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1/CGG3\",\"type\":\"THB\",\"tempc\":27.4,\"tempf\":81.32,\"hum\":62.6,\"batt\":13,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
+    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1/CGG3\",\"type\":\"THB\",\"tempc\":23.5,\"tempf\":74.3,\"hum\":28.3,\"batt\":100,\"mac\":\"YY:YY:YY:YY:YY:YY\"}",
+    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1/CGG3\",\"type\":\"THB\",\"tempc\":24.4,\"tempf\":75.92,\"hum\":31.5,\"batt\":100,\"mac\":\"XX:XX:XX:XX:XX:XX\"}",
     "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Alarm Clock\",\"model_id\":\"CGC1/CGD1\",\"type\":\"THB\",\"tempc\":21,\"tempf\":69.8,\"hum\":51,\"batt\":100,\"mac\":\"FF:EE:DD:CC:BB:AA\"}",
     "{\"brand\":\"Jaalee\",\"model\":\"TH sensor\",\"model_id\":\"F525/F51C\",\"type\":\"THB\",\"acts\":true,\"tempc\":26.07347219,\"tempf\":78.93224994,\"hum\":34.27481498,\"batt\":100}",
     "{\"brand\":\"Jaalee\",\"model\":\"TH sensor\",\"model_id\":\"F525/F51C\",\"type\":\"THB\",\"acts\":true,\"tempc\":34.38353552,\"tempf\":93.89036393,\"hum\":34.80582895,\"batt\":100}",
@@ -552,6 +552,7 @@ const char* expected_uuid[] = {
     "{\"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\"}",
+    "{\"brand\":\"ClearGrass/Qingping\",\"model\":\"Round TH\",\"model_id\":\"CGG1/CGG3\",\"type\":\"THB\",\"tempc\":20.9,\"tempf\":69.62,\"hum\":49.8,\"batt\":100,\"mac\":\"AA:BB:CC:DD:EE:FF\"}",
 };
 
 const char* expected_mac_mfg[] = {
@@ -1561,6 +1562,7 @@ const char* test_uuid[][4] = {
     {"Feasycom BPXXX", "0xfff0", "servicedata", "29021992aabbccddeeff64"},
     {"BlueCharm BC04P", "0xfeaa", "servicedata", "21000b0bea15400004fff4fffc"},
     {"ClearGrass CO2 Detector", "0xfdcd", "servicedata", "0a5dffeeddccbbaa0104ff00af0102016413024702"},
+    {"Qingping CGG3", "0xfdcd", "servicedata", "884fffeeddccbbaa0104d100f201020164"},
 };
 
 TheengsDecoder::BLE_ID_NUM test_uuid_id_num[]{
@@ -1699,6 +1701,7 @@ TheengsDecoder::BLE_ID_NUM test_uuid_id_num[]{
     TheengsDecoder::BLE_ID_NUM::FEASY,
     TheengsDecoder::BLE_ID_NUM::BC08,
     TheengsDecoder::BLE_ID_NUM::CGP22C,
+    TheengsDecoder::BLE_ID_NUM::CGG1_STOCK,
 };
 
 // MAC manufacturer data test input [test name] [mac] [data]