diff --git a/src/drivers/camera_trigger/camera_trigger_params.c b/src/drivers/camera_trigger/camera_trigger_params.c
index 3b17756f0f..0b9f56d6d1 100644
--- a/src/drivers/camera_trigger/camera_trigger_params.c
+++ b/src/drivers/camera_trigger/camera_trigger_params.c
@@ -139,3 +139,29 @@ PARAM_DEFINE_INT32(TRIG_PINS, 56);
  * @group Camera trigger
  */
 PARAM_DEFINE_FLOAT(TRIG_DISTANCE, 25.0f);
+
+/**
+ * PWM output to trigger shot.
+ *
+ * @reboot_required true
+ *
+ * @min 1000
+ * @max 2000
+ * @unit us
+ * @group Camera trigger
+ * @reboot_required true
+ */
+PARAM_DEFINE_INT32(TRIG_PWM_SHOOT, 1900);
+
+
+/**
+ * PWM neutral output on trigger pin.
+ *
+ * @min 1000
+ * @max 2000
+ * @unit us
+ * @group Camera trigger
+ * @reboot_required true
+ */
+PARAM_DEFINE_INT32(TRIG_PWM_NEUTRAL, 1500);
+
diff --git a/src/drivers/camera_trigger/interfaces/src/pwm.cpp b/src/drivers/camera_trigger/interfaces/src/pwm.cpp
index 04ca8f7251..2612c1fd21 100644
--- a/src/drivers/camera_trigger/interfaces/src/pwm.cpp
+++ b/src/drivers/camera_trigger/interfaces/src/pwm.cpp
@@ -2,13 +2,22 @@
 
 #include <sys/ioctl.h>
 #include <lib/mathlib/mathlib.h>
+#include <parameters/param.h>
+
 
 #include "drivers/drv_pwm_trigger.h"
 #include "pwm.h"
 
+
 // TODO : make these parameters later
-#define PWM_CAMERA_SHOOT 1900
-#define PWM_CAMERA_NEUTRAL 1500
+//#define PWM_CAMERA_SHOOT 1900
+//#define PWM_CAMERA_NEUTRAL 1500
+
+int32_t pwm_camera_shoot = 0;
+param_get(param_find("TRIG_PWM_SHOOT"), &pwm_camera_shoot);
+int32_t pwm_camera_neutral = 0;
+param_get(param_find("TRIG_PWM_NEUTRAL"), &pwm_camera_neutral);
+
 
 CameraInterfacePWM::CameraInterfacePWM():
 	CameraInterface()
@@ -40,7 +49,7 @@ void CameraInterfacePWM::setup()
 	// Set neutral pulsewidths
 	for (unsigned i = 0; i < arraySize(_pins); i++) {
 		if (_pins[i] >= 0) {
-			up_pwm_trigger_set(_pins[i], math::constrain(PWM_CAMERA_NEUTRAL, PWM_CAMERA_NEUTRAL, 2000));
+			up_pwm_trigger_set(_pins[i], math::constrain(pwm_camera_neutral, 0, 2000));
 		}
 	}
 
@@ -51,7 +60,7 @@ void CameraInterfacePWM::trigger(bool trigger_on_true)
 	for (unsigned i = 0; i < arraySize(_pins); i++) {
 		if (_pins[i] >= 0) {
 			// Set all valid pins to shoot or neutral levels
-			up_pwm_trigger_set(_pins[i], math::constrain(trigger_on_true ? PWM_CAMERA_SHOOT : PWM_CAMERA_NEUTRAL, 1000, 2000));
+			up_pwm_trigger_set(_pins[i], math::constrain(trigger_on_true ? pwm_camera_shoot : pwm_camera_neutral, 0, 2000));
 		}
 	}
 }