diff --git a/drivers/SmartThings/zigbee-humidity-sensor/fingerprints.yml b/drivers/SmartThings/zigbee-humidity-sensor/fingerprints.yml
index ee36659670..461f73599b 100644
--- a/drivers/SmartThings/zigbee-humidity-sensor/fingerprints.yml
+++ b/drivers/SmartThings/zigbee-humidity-sensor/fingerprints.yml
@@ -1,4 +1,9 @@
 zigbeeManufacturer:
+  - id: "Rti-Tek/STHZB"
+    deviceLabel: Rti-Tek STHZB
+    manufacturer: Rti-Tek
+    model: STHZB
+    deviceProfileName: rtitek-sthzb
   - id: "LUMI/lumi.sensor_ht.agl02"
     deviceLabel: Aqara Temperature and Humidity Sensor T1
     manufacturer: LUMI
@@ -153,4 +158,4 @@ zigbeeGeneric:
         - 0x0B04
       client:
         - 0x0003
-    deviceProfileName: humidity-battery
\ No newline at end of file
+    deviceProfileName: humidity-battery
diff --git a/drivers/SmartThings/zigbee-humidity-sensor/profiles/rtitek-sthzb.yml b/drivers/SmartThings/zigbee-humidity-sensor/profiles/rtitek-sthzb.yml
new file mode 100644
index 0000000000..040ac19210
--- /dev/null
+++ b/drivers/SmartThings/zigbee-humidity-sensor/profiles/rtitek-sthzb.yml
@@ -0,0 +1,61 @@
+name: rtitek-sthzb
+components:
+- id: main
+  capabilities:
+  - id: temperatureMeasurement
+    version: 1
+  - id: relativeHumidityMeasurement
+    version: 1
+  - id: battery
+    version: 1
+  - id: refresh
+    version: 1
+  categories:
+  - name: TempHumiditySensor
+preferences:
+  - preferenceId: tempOffset
+    explicit: true
+  - preferenceId: humidityOffset
+    explicit: true
+deviceConfig:
+  dashboard:
+    states:
+      - component: main
+        capability: temperatureMeasurement
+        version: 1
+        group: main
+        composite: true
+      - component: main
+        capability: relativeHumidityMeasurement
+        version: 1
+        group: main
+        values:
+          - label: "  {{humidity.value}} {{humidity.unit}}"
+        composite: true
+    actions: []
+    basicPlus: []
+  detailView:
+    - component: main
+      capability: temperatureMeasurement
+      version: 1
+    - component: main
+      capability: relativeHumidityMeasurement
+      version: 1
+    - component: main
+      capability: battery
+      version: 1
+    - component: main
+      capability: refresh
+      version: 1
+  automation:
+    conditions:
+      - component: main
+        capability: temperatureMeasurement
+        version: 1
+      - component: main
+        capability: relativeHumidityMeasurement
+        version: 1
+      - component: main
+        capability: battery
+        version: 1
+    actions: []
diff --git a/drivers/SmartThings/zigbee-humidity-sensor/src/test/test_rtitek_sthzb.lua b/drivers/SmartThings/zigbee-humidity-sensor/src/test/test_rtitek_sthzb.lua
new file mode 100644
index 0000000000..96b4f2cd31
--- /dev/null
+++ b/drivers/SmartThings/zigbee-humidity-sensor/src/test/test_rtitek_sthzb.lua
@@ -0,0 +1,122 @@
+-- Copyright 2026 SmartThings, Inc.
+-- Licensed under the Apache License, Version 2.0
+
+local test = require "integration_test"
+local capabilities = require "st.capabilities"
+local clusters = require "st.zigbee.zcl.clusters"
+local t_utils = require "integration_test.utils"
+local zigbee_test_utils = require "integration_test.zigbee_test_utils"
+
+local PowerConfiguration = clusters.PowerConfiguration
+local RelativeHumidity = clusters.RelativeHumidity
+local TemperatureMeasurement = clusters.TemperatureMeasurement
+
+local mock_device = test.mock_device.build_test_zigbee_device({
+  profile = t_utils.get_profile_definition("rtitek-sthzb.yml"),
+  zigbee_endpoints = {
+    [1] = {
+      id = 1,
+      manufacturer = "Rti-Tek",
+      model = "STHZB",
+      server_clusters = { 0x0001, 0x0402, 0x0405, 0xFD22 },
+    },
+  },
+})
+
+zigbee_test_utils.prepare_zigbee_env_info()
+
+local function test_init()
+  test.mock_device.add_test_device(mock_device)
+end
+
+test.set_test_init_function(test_init)
+
+test.register_message_test(
+  "STHZB standard temperature report is exposed in Celsius",
+  {
+    {
+      channel = "zigbee",
+      direction = "receive",
+      message = {
+        mock_device.id,
+        TemperatureMeasurement.attributes.MeasuredValue:build_test_attr_report(mock_device, 2630),
+      },
+    },
+    {
+      channel = "capability",
+      direction = "send",
+      message = mock_device:generate_test_message(
+        "main", capabilities.temperatureMeasurement.temperature({ value = 26.3, unit = "C" })
+      ),
+    },
+  },
+  { min_api_version = 14 }
+)
+
+test.register_message_test(
+  "STHZB standard humidity report is exposed as percent",
+  {
+    {
+      channel = "zigbee",
+      direction = "receive",
+      message = {
+        mock_device.id,
+        RelativeHumidity.attributes.MeasuredValue:build_test_attr_report(mock_device, 5830),
+      },
+    },
+    {
+      channel = "capability",
+      direction = "send",
+      message = mock_device:generate_test_message(
+        "main", capabilities.relativeHumidityMeasurement.humidity({ value = 58.3 })
+      ),
+    },
+  },
+  { min_api_version = 14 }
+)
+
+test.register_message_test(
+  "STHZB standard battery percentage is exposed",
+  {
+    {
+      channel = "zigbee",
+      direction = "receive",
+      message = {
+        mock_device.id,
+        PowerConfiguration.attributes.BatteryPercentageRemaining:build_test_attr_report(mock_device, 150),
+      },
+    },
+    {
+      channel = "capability",
+      direction = "send",
+      message = mock_device:generate_test_message("main", capabilities.battery.battery(75)),
+    },
+  },
+  { min_api_version = 14 }
+)
+
+test.register_coroutine_test(
+  "STHZB refresh reads standard measurement attributes",
+  function()
+    test.socket.capability:__queue_receive({
+      mock_device.id,
+      { capability = "refresh", component = "main", command = "refresh", args = {} },
+    })
+    test.socket.zigbee:__expect_send({
+      mock_device.id,
+      TemperatureMeasurement.attributes.MeasuredValue:read(mock_device),
+    })
+    test.socket.zigbee:__expect_send({
+      mock_device.id,
+      RelativeHumidity.attributes.MeasuredValue:read(mock_device),
+    })
+    test.socket.zigbee:__expect_send({
+      mock_device.id,
+      PowerConfiguration.attributes.BatteryPercentageRemaining:read(mock_device),
+    })
+    test.wait_for_events()
+  end,
+  { min_api_version = 14, inner_block_ordering = "relaxed" }
+)
+
+test.run_registered_tests()