diff --git a/sonoff/settings.h b/sonoff/settings.h
index 8af704831..11e200a99 100644
--- a/sonoff/settings.h
+++ b/sonoff/settings.h
@@ -82,7 +82,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t tuya_dimmer_range_255 : 1;    // bit 16 (v6.6.0.1)  - SetOption66 - Enable or Disable Dimmer range 255 slider control
     uint32_t buzzer_enable : 1;            // bit 17 (v6.6.0.1)  - SetOption67 - Enable buzzer when available
     uint32_t pwm_multi_channels : 1;       // bit 18 (v6.6.0.3)  - SetOption68 - Enable multi-channels PWM instead of Color PWM
-    uint32_t spare19 : 1;
+    uint32_t tuya_dimmer_min_limit : 1;    // bit 19 (v6.6.0.5)  - SetOption69 - Limits Tuya dimmers to minimum of 10% (25) when enabled.
     uint32_t spare20 : 1;
     uint32_t spare21 : 1;
     uint32_t spare22 : 1;
diff --git a/sonoff/xdrv_16_tuyadimmer.ino b/sonoff/xdrv_16_tuyadimmer.ino
index 362d85a3a..a1d3ec91f 100644
--- a/sonoff/xdrv_16_tuyadimmer.ino
+++ b/sonoff/xdrv_16_tuyadimmer.ino
@@ -143,7 +143,9 @@ bool TuyaSetChannels(void)
 void LightSerialDuty(uint8_t duty)
 {
   if (duty > 0 && !tuya_ignore_dim && TuyaSerial) {
-    if (duty < 25) { duty = 25; }  // dimming acts odd below 25(10%) - this mirrors the threshold set on the faceplate itself
+    if (Settings.flag3.tuya_dimmer_min_limit) { // Enable dimming limit SetOption69: Enabled by default
+      if (duty < 25) { duty = 25; }  // dimming acts odd below 25(10%) - this mirrors the threshold set on the faceplate itself
+    }
 
     if (Settings.flag3.tuya_show_dimmer == 0) {
       if(Settings.flag3.tuya_dimmer_range_255 == 0) {