diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24ecff8..c0ec1a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,6 +213,8 @@
         src/system/Rtnetlink.h
         src/system/IETFInterfaces.cpp
         src/system/IETFInterfaces.h
+        src/system/LED.cpp
+        src/system/LED.h
         )
 target_link_libraries(velia-system
     PUBLIC
@@ -410,6 +412,13 @@
             RESOURCE_LOCK sysrepo
     )
 
+    velia_test(sysrepo_system-leds velia-system)
+    set_tests_properties(
+            test-sysrepo_system-leds
+            PROPERTIES FIXTURES_REQUIRED sysrepo:env:sysrepo-czechlight-system
+            RESOURCE_LOCK sysrepo
+    )
+
     velia_test(sysrepo_system-network velia-system)
     target_link_libraries(test-sysrepo_system-network FsTestUtils)
     set_tests_properties(
diff --git a/src/system/LED.cpp b/src/system/LED.cpp
new file mode 100644
index 0000000..b6465d0
--- /dev/null
+++ b/src/system/LED.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2021 CESNET, https://photonics.cesnet.cz/
+ *
+ * Written by Tomáš Pecka <tomas.pecka@cesnet.cz>
+ *
+ */
+
+#include "LED.h"
+
+#include <utility>
+#include "utils/io.h"
+#include "utils/log.h"
+#include "utils/sysrepo.h"
+
+using namespace std::literals;
+
+namespace {
+
+const auto CZECHLIGHT_SYSTEM_MODULE_NAME = "czechlight-system"s;
+const auto CZECHLIGHT_SYSTEM_LEDS_MODULE_PREFIX = "/"s + CZECHLIGHT_SYSTEM_MODULE_NAME + ":leds/"s;
+
+}
+
+namespace velia::system {
+
+LED::LED(const std::shared_ptr<::sysrepo::Connection>& srConn, std::filesystem::path sysfsLeds)
+    : m_log(spdlog::get("system"))
+    , m_sysfsLeds(std::move(sysfsLeds))
+    , m_srSession(std::make_shared<::sysrepo::Session>(srConn))
+    , m_srSubscribe(std::make_shared<::sysrepo::Subscribe>(m_srSession))
+{
+    utils::ensureModuleImplemented(m_srSession, CZECHLIGHT_SYSTEM_MODULE_NAME, "2021-01-13");
+
+    m_srSubscribe->oper_get_items_subscribe(
+        CZECHLIGHT_SYSTEM_MODULE_NAME.c_str(),
+        [this](auto session, auto, auto, auto, auto, auto& parent) {
+            std::map<std::string, std::string> data;
+
+            for (const auto& entry : std::filesystem::directory_iterator(m_sysfsLeds)) {
+                if (!std::filesystem::is_directory(entry.path())) {
+                    continue;
+                }
+
+                const std::string deviceName = entry.path().filename();
+
+                try {
+                    /* actually just uint32_t is needed for the next two variables; but there is no harm in reading them as int64_t and downcasting them later (especially when the code for reading int64_t already exists)
+                     * See https://github.com/torvalds/linux/commit/af0bfab907a011e146304d20d81dddce4e4d62d0
+                     */
+                    const auto brightness = velia::utils::readFileInt64(entry.path() / "brightness");
+                    const auto max_brightness = velia::utils::readFileInt64(entry.path() / "max_brightness");
+                    auto percent = brightness * 100 / max_brightness;
+                    m_log->trace("Found LED '{}' with brightness of {} % (brightness {} out of {})", deviceName, percent, brightness, max_brightness);
+
+                    data[CZECHLIGHT_SYSTEM_LEDS_MODULE_PREFIX + "led[name='" + deviceName + "']/brightness"] = std::to_string(percent);
+                } catch (const std::invalid_argument& e) {
+                    m_log->warn("Failed reading state of the LED '{}': {}", deviceName, e.what());
+                }
+            }
+
+            utils::valuesToYang(data, {}, session, parent);
+            return SR_ERR_OK;
+        },
+        (CZECHLIGHT_SYSTEM_LEDS_MODULE_PREFIX + "*").c_str(),
+        SR_SUBSCR_PASSIVE | SR_SUBSCR_OPER_MERGE | SR_SUBSCR_CTX_REUSE);
+}
+
+}
diff --git a/src/system/LED.h b/src/system/LED.h
new file mode 100644
index 0000000..5121d1d
--- /dev/null
+++ b/src/system/LED.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2021 CESNET, https://photonics.cesnet.cz/
+ *
+ * Written by Tomáš Pecka <tomas.pecka@cesnet.cz>
+ *
+ */
+#pragma once
+
+#include <filesystem>
+#include <sysrepo-cpp/Session.hpp>
+#include "utils/log-fwd.h"
+
+namespace velia::system {
+
+class LED {
+public:
+    LED(const std::shared_ptr<::sysrepo::Connection>& srConn, std::filesystem::path sysfsLeds);
+
+private:
+    velia::Log m_log;
+    std::filesystem::path m_sysfsLeds;
+    std::shared_ptr<::sysrepo::Session> m_srSession;
+    std::shared_ptr<::sysrepo::Subscribe> m_srSubscribe;
+};
+}
diff --git a/tests/sysfs/leds/uid:blue/brightness b/tests/sysfs/leds/uid:blue/brightness
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/tests/sysfs/leds/uid:blue/brightness
@@ -0,0 +1 @@
+0
diff --git a/tests/sysfs/leds/uid:blue/max_brightness b/tests/sysfs/leds/uid:blue/max_brightness
new file mode 100644
index 0000000..9183bf0
--- /dev/null
+++ b/tests/sysfs/leds/uid:blue/max_brightness
@@ -0,0 +1 @@
+256
diff --git a/tests/sysfs/leds/uid:green/brightness b/tests/sysfs/leds/uid:green/brightness
new file mode 100644
index 0000000..29d6383
--- /dev/null
+++ b/tests/sysfs/leds/uid:green/brightness
@@ -0,0 +1 @@
+100
diff --git a/tests/sysfs/leds/uid:green/max_brightness b/tests/sysfs/leds/uid:green/max_brightness
new file mode 100644
index 0000000..9183bf0
--- /dev/null
+++ b/tests/sysfs/leds/uid:green/max_brightness
@@ -0,0 +1 @@
+256
diff --git a/tests/sysfs/leds/uid:red/brightness b/tests/sysfs/leds/uid:red/brightness
new file mode 100644
index 0000000..9183bf0
--- /dev/null
+++ b/tests/sysfs/leds/uid:red/brightness
@@ -0,0 +1 @@
+256
diff --git a/tests/sysfs/leds/uid:red/max_brightness b/tests/sysfs/leds/uid:red/max_brightness
new file mode 100644
index 0000000..9183bf0
--- /dev/null
+++ b/tests/sysfs/leds/uid:red/max_brightness
@@ -0,0 +1 @@
+256
diff --git a/tests/sysrepo_system-leds.cpp b/tests/sysrepo_system-leds.cpp
new file mode 100644
index 0000000..5248faa
--- /dev/null
+++ b/tests/sysrepo_system-leds.cpp
@@ -0,0 +1,38 @@
+#include "trompeloeil_doctest.h"
+#include "dbus-helpers/dbus_rauc_server.h"
+#include "pretty_printers.h"
+#include "system/LED.h"
+#include "test_log_setup.h"
+#include "test_sysrepo_helpers.h"
+#include "tests/configure.cmake.h"
+
+using namespace std::literals;
+
+TEST_CASE("Sysrepo reports system LEDs")
+{
+    trompeloeil::sequence seq1;
+
+    TEST_SYSREPO_INIT_LOGS;
+    TEST_SYSREPO_INIT;
+    TEST_SYSREPO_INIT_CLIENT;
+
+    auto fakeSysfsDir = std::filesystem::path {CMAKE_CURRENT_SOURCE_DIR + "/tests/sysfs/leds/"s};
+    velia::system::LED led(srConn, fakeSysfsDir);
+
+    std::this_thread::sleep_for(10ms);
+
+    REQUIRE(dataFromSysrepo(client, "/czechlight-system:leds", SR_DS_OPERATIONAL) == std::map<std::string, std::string> {
+                {"/led[name='line:green']", ""},
+                {"/led[name='line:green']/brightness", "100"},
+                {"/led[name='line:green']/name", "line:green"},
+                {"/led[name='uid:blue']", ""},
+                {"/led[name='uid:blue']/brightness", "0"},
+                {"/led[name='uid:blue']/name", "uid:blue"},
+                {"/led[name='uid:green']", ""},
+                {"/led[name='uid:green']/brightness", "39"},
+                {"/led[name='uid:green']/name", "uid:green"},
+                {"/led[name='uid:red']", ""},
+                {"/led[name='uid:red']/brightness", "100"},
+                {"/led[name='uid:red']/name", "uid:red"},
+            });
+}