diff --git a/docs/prerequisites/devices.md b/docs/prerequisites/devices.md
index 11f2b43..51a10fd 100644
--- a/docs/prerequisites/devices.md
+++ b/docs/prerequisites/devices.md
@@ -30,6 +30,7 @@ OpenMQTTGateway is able to scan all the BLE devices that advertise their data so
 | INKBIRD (1)|IBS-TH1|temperature/humidity/battery|
 | ClearGrass |CGG1|temperature/humidity/battery|
 | Qingping |CGDK2|temperature/humidity|
+| Qingping |CGH1|open|
 | ClearGrass alarm clock|CGD1|temperature/humidity|
 | ClearGrass with atmospheric pressure |CGP1W|temperature/humidity/air pressure|
 | Clock |LYWDS02|temperature/humidity|
diff --git a/main/ZgatewayBT.ino b/main/ZgatewayBT.ino
index eca7221..139d14b 100644
--- a/main/ZgatewayBT.ino
+++ b/main/ZgatewayBT.ino
@@ -384,6 +384,17 @@ void CLEARGRASSCGDK2Discovery(char* mac, char* sensorModel) {
   createDiscoveryFromList(mac, CLEARGRASSCGDK2sensor, CLEARGRASSCGDK2parametersCount, "CLEARGRASSCGDK2", "ClearGrass", sensorModel);
 }
 
+void CLEARGRASSCGH1Discovery(char* mac, char* sensorModel) {
+#    define CLEARGRASSCGH1parametersCount 1
+  Log.trace(F("CLEARGRASSCGH1Discovery" CR));
+  char* CLEARGRASSCGH1sensor[CLEARGRASSCGH1parametersCount][8] = {
+      {"binary_sensor", "CLEARGRASSCGH1-open", mac, "door", jsonOpen, "True", "False", ""},
+      //component type,name,availability topic,device class,value template,payload on, payload off, unit of measurement
+  };
+
+  createDiscoveryFromList(mac, CLEARGRASSCGH1sensor, CLEARGRASSCGH1parametersCount, "CLEARGRASSCGH1", "ClearGrass", sensorModel);
+}
+
 void CLEARGRASSTRHKPADiscovery(char* mac, char* sensorModel) {
 #    define CLEARGRASSTRHKPAparametersCount 3
   Log.trace(F("CLEARGRASSTRHKPADiscovery" CR));
@@ -999,6 +1010,7 @@ void launchBTDiscovery() {
       if (p->sensorModel == CGP1W) CLEARGRASSTRHKPADiscovery((char*)macWOdots.c_str(), "CGP1W");
       if (p->sensorModel == MUE4094RT) MiLampDiscovery((char*)macWOdots.c_str(), "MUE4094RT");
       if (p->sensorModel == CGDK2) CLEARGRASSCGDK2Discovery((char*)macWOdots.c_str(), "CGDK2");
+      if (p->sensorModel == CGH1) CLEARGRASSCGH1Discovery((char*)macWOdots.c_str(), "CGH1");
       if (p->sensorModel == CGD1) CLEARGRASSCGD1Discovery((char*)macWOdots.c_str(), "CGD1");
       if (p->sensorModel == MIBAND) MiBandDiscovery((char*)macWOdots.c_str(), "MIBAND");
       if ((p->sensorModel == XMTZC04HM) ||
@@ -1129,6 +1141,14 @@ JsonObject& process_bledata(JsonObject& BLEdata) {
           createOrUpdateDevice(mac, device_flags_init, CGDK2);
         return process_cleargrass(BLEdata, false);
       }
+      Log.trace(F("Is it a CGH1?" CR));
+      if (service_len > ServicedataMinLength && (strncmp(&service_data[0], "c804", 4) == 0 || strncmp(&service_data[0], "8804", 4) == 0 || strncmp(&service_data[0], "0804", 4) == 0 || strncmp(&service_data[0], "4804", 4) == 0)) {
+        Log.trace(F("CGH1 data reading" CR));
+        BLEdata.set("model", "CGH1");
+        if (device->sensorModel == -1)
+          createOrUpdateDevice(mac, device_flags_init, CGH1);
+        return process_cgh1(BLEdata);
+      }
       Log.trace(F("Is it a MHO_C401?" CR));
       if (strstr(service_data, "588703") != NULL) {
         Log.trace(F("MHO_C401 add to list for future connect" CR));
@@ -1383,6 +1403,23 @@ JsonObject& process_cleargrass(JsonObject& BLEdata, boolean air) {
   return BLEdata;
 }
 
+JsonObject& process_cgh1(JsonObject& BLEdata) {
+  const char* servicedata = BLEdata["servicedata"].as<const char*>();
+  int value = -1;
+  if (strncmp(&servicedata[0], "0804", 4) == 0 || strncmp(&servicedata[0], "8804", 4) == 0) { // state
+    value = value_from_hex_data(servicedata, 33, 1, false);
+  } else if (strncmp(&servicedata[0], "4804", 4) == 0 || strncmp(&servicedata[0], "c804", 4) == 0) { // action
+    value = value_from_hex_data(servicedata, 21, 1, false);
+  }
+
+  if (value == 0)
+    BLEdata.set("open", true);
+  if (value == 1)
+    BLEdata.set("open", false);
+
+  return BLEdata;
+}
+
 JsonObject& process_atc(JsonObject& BLEdata) {
   const char* servicedata = BLEdata["servicedata"].as<const char*>();
 
diff --git a/main/config_BT.h b/main/config_BT.h
index a645ad8..b16970c 100644
--- a/main/config_BT.h
+++ b/main/config_BT.h
@@ -74,7 +74,7 @@ bool bleConnect = AttemptBLECOnnect;
 #define CRLR_Length        4
 #define BLE_CNCT_TIMEOUT   3000
 
-#define ServicedataMinLength 29
+#define ServicedataMinLength 27
 
 unsigned int BLEinterval = TimeBtwRead; //time between 2 scans
 unsigned int BLEscanBeforeConnect = ScanBeforeConnect; //Number of BLE scans between connection cycles
@@ -123,6 +123,7 @@ enum ble_sensor_model {
   INODE_EM,
   CGDK2,
   LYWSD03MMC_PVVX,
+  CGH1,
 };
 
 /*-------------------PIN DEFINITIONS----------------------*/
diff --git a/main/config_mqttDiscovery.h b/main/config_mqttDiscovery.h
index 65c6225..78d8550 100644
--- a/main/config_mqttDiscovery.h
+++ b/main/config_mqttDiscovery.h
@@ -75,6 +75,7 @@ extern void createDiscovery(char* sensor_type,
 #  define jsonPa       "{{ float(value_json.pa) * 0.01 }}"
 #  define jsonId       "{{ value_json.id }}"
 #  define jsonAddress  "{{ value_json.address }}"
+#  define jsonOpen     "{{ value_json.open }}"
 #else // Home assistant autodiscovery value key definition
 #  define jsonBatt     "{{ value_json.batt | is_defined }}"
 #  define jsonLux      "{{ value_json.lux | is_defined }}"
@@ -103,6 +104,7 @@ extern void createDiscovery(char* sensor_type,
 #  define jsonPa       "{{ float(value_json.pa) * 0.01 | is_defined }}"
 #  define jsonId       "{{ value_json.id | is_defined }}"
 #  define jsonAddress  "{{ value_json.address | is_defined }}"
+#  define jsonOpen     "{{ value_json.open | is_defined }}"
 #endif
 
 #endif