diff --git a/ESP-IDF_Robot/main/espnow_config.h b/ESP-IDF_Robot/main/espnow_config.h
index a8c251963..8e97f5461 100644
--- a/ESP-IDF_Robot/main/espnow_config.h
+++ b/ESP-IDF_Robot/main/espnow_config.h
@@ -49,14 +49,15 @@ enum {
 
 /* User defined fields of ESPNOW data struct. */
 typedef struct {
-    uint8_t type;                         //Broadcast or unicast ESPNOW data.
-    uint8_t state;                        //Indicate that if has received broadcast ESPNOW data or not.
-    uint16_t seq_num;                     //Sequence number of ESPNOW data.
-    uint16_t crc;                         //CRC16 value of ESPNOW data.
-    uint32_t magic;                       //Magic number which is used to determine which device to send unicast ESPNOW data.
-    uint8_t payload[2];                   //Real payload of ESPNOW data.
+    uint8_t type;                           // Broadcast or unicast ESPNOW data.
+    uint8_t state;                          // Indicate that if has received broadcast ESPNOW data or not.
+    uint16_t seq_num;                       // Sequence number of ESPNOW data.
+    uint16_t crc;                           // CRC16 value of ESPNOW data.
+    uint32_t magic;                         // Magic number which is used to determine which device to send unicast ESPNOW data.
+    uint8_t payload[2];                     // Real payload of ESPNOW data.
     uint8_t mtr_a_pwm;
     uint8_t mtr_b_pwm;
+    bool lights;                            // Lights ON/OFF
 } __attribute__((packed)) espnow_data_t;
 
 /* Parameters of sending ESPNOW data. */