diff --git a/src/main.h b/src/main.h
index dadeac93..dbf23da6 100644
--- a/src/main.h
+++ b/src/main.h
@@ -10,23 +10,27 @@
 #define BLECOUNTER                      1 // comment out if you don't want BLE count
 
 // BLE scan time
-#define BLESCANTIME                     30 // [seconds]
+#define BLESCANTIME                     15 // [seconds]
 
 // WiFi Sniffer cycle interval
 #define SEND_SECS                       120 // [seconds/2] -> 240 sec.
+//#define SEND_SECS                       30 // [seconds/2] -> 60 sec.
 
 // WiFi sniffer config
 #define WIFI_CHANNEL_MIN                1   // start channel number where scan begings
 #define	WIFI_CHANNEL_MAX                13  // total channel number to scan
 #define WIFI_MY_COUNTRY                 "EU"  // for Wifi RF settings
 #define	WIFI_CHANNEL_SWITCH_INTERVAL    50  // [seconds/100] -> 0,5 sec.
-#define WIFI_MAC_FILTER_MASK            0x000000000003 // filter local and group MACs       
+#define WIFI_MAC_FILTER_MASK            0x000000000003 // filter local and group MACs
 
 // Default LoRa Spreadfactor
 #define LORASFDEFAULT                   9 // 7 ... 12
 #define MAXLORARETRY                    500 // maximum count of TX retries if LoRa busy
 #define RCMDPORT                        2 // LoRaWAN Port on which device listenes for remote commands
 
+// Default RGB LED luminosity (in %)
+#define RGBLUMINOSITY                   50 // 50%
+
 // LMIC settings
 // define hardware independent LMIC settings here, settings of standard library in /lmic/config.h will be ignored
 // define hardware specifics settings in platformio.ini as build_flag for hardware environment
@@ -100,10 +104,10 @@
 // implementation is optimized for speed on 32-bit processors using
 // fairly big lookup tables, but it takes up big amounts of flash on the
 // AVR architecture.
-// #define USE_ORIGINAL_AES
+#define USE_ORIGINAL_AES
 //
 // This selects the AES implementation written by Ideetroon for their
 // own LoRaWAN library. It also uses lookup tables, but smaller
 // byte-oriented ones, making it use a lot less flash space (but it is
 // also about twice as slow as the original).
-#define USE_IDEETRON_AES
+// #define USE_IDEETRON_AES