diff --git a/client/device.c b/client/device.c
index b534f19b..32891360 100644
--- a/client/device.c
+++ b/client/device.c
@@ -29,8 +29,139 @@
 #include "command.h"
 #include "dbus-proxy.h"
 
+struct device {
+	bool powered;
+	bool scanning;
+	char *address;
+	char *name;
+	char *state;
+	const struct proxy_interface *adapter;
+	const struct proxy_interface *connected_network;
+};
+
+static const void *get_name(const void *data)
+{
+	const struct device *device = data;
+
+	return device->name;
+}
+
+static void set_name(void *data, const void *value)
+{
+	struct device *device = data;
+
+	l_free(device->name);
+
+	if (value)
+		device->name = l_strdup(value);
+}
+
+static const void *get_address(const void *data)
+{
+	const struct device *device = data;
+
+	return device->address;
+}
+
+static void set_address(void *data, const void *value)
+{
+	struct device *device = data;
+
+	l_free(device->address);
+
+	if (value)
+		device->address = l_strdup(value);
+}
+
+static const void *get_state(const void *data)
+{
+	const struct device *device = data;
+
+	return device->state;
+}
+
+static void set_state(void *data, const void *value)
+{
+	struct device *device = data;
+
+	l_free(device->state);
+
+	if (value)
+		device->state = l_strdup(value);
+}
+
+static void set_connected_network(void *data, const void *value)
+{
+	struct device *device = data;
+	const char *path = value;
+
+	device->connected_network = proxy_interface_find(IWD_NETWORK_INTERFACE,
+									path);
+}
+
+static const void *get_powered(const void *data)
+{
+	const struct device *device = data;
+	void *ptr;
+
+	l_put_u8(device->powered, &ptr);
+
+	return ptr;
+}
+
+static void set_powered(void *data, const void *value)
+{
+	struct device *device = data;
+
+	if (value)
+		device->powered = l_get_u8(&value);
+	else
+		device->powered = false;
+}
+
+static const void *get_scanning(const void *data)
+{
+	const struct device *device = data;
+	void *ptr;
+
+	l_put_u8(device->scanning, &ptr);
+
+	return ptr;
+}
+
+static void set_scanning(void *data, const void *value)
+{
+	struct device *device = data;
+
+	if (value)
+		device->scanning = l_get_u8(&value);
+	else
+		device->scanning = false;
+}
+
+static void set_adapter(void *data, const void *value)
+{
+	struct device *device = data;
+	const char *path = value;
+
+	device->adapter = proxy_interface_find(IWD_ADAPTER_INTERFACE, path);
+}
+
+static const struct proxy_interface_property device_properties[] = {
+	{ "Name",     "s", set_name,     get_name },
+	{ "Powered",  "b", set_powered,  get_powered, true },
+	{ "Adapter",  "o", set_adapter },
+	{ "Address",  "s", set_address,  get_address },
+	{ "Scanning", "b", set_scanning, get_scanning },
+	{ "State",    "s", set_state,    get_state },
+	{ "ConnectedNetwork",
+			"o", set_connected_network },
+	{ }
+};
+
 static struct proxy_interface_type device_interface_type = {
 	.interface = IWD_DEVICE_INTERFACE,
+	.properties = device_properties,
 };
 
 static struct command_family device_command_family = {