diff --git a/src/Entity/BatteryType.php b/src/Entity/BatteryType.php
index 8c864e4..2e0bd15 100644
--- a/src/Entity/BatteryType.php
+++ b/src/Entity/BatteryType.php
@@ -18,7 +18,6 @@ class BatteryType
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
 	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.camera_type_id_seq", allocationSize=1, initialValue=1)
 	 */
 	private $id;
 }
diff --git a/src/Entity/CameraType.php b/src/Entity/CameraType.php
index c0cd280..f340287 100644
--- a/src/Entity/CameraType.php
+++ b/src/Entity/CameraType.php
@@ -18,7 +18,6 @@ class CameraType
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
 	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.camera_type_id_seq", allocationSize=1, initialValue=1)
 	 */
 	private $id;
 
@@ -29,13 +28,20 @@ class CameraType
 	 */
 	private $type;
 
+	/**
+	 * @var string
+	 *
+	 * @ORM\Column(name="description", type="text", nullable=true)
+	 */
+	private $description;
+
 
 	/**
 	 * Value for serialization
 	 *
 	 * @return string
 	 */
-	public function __toString()
+	public function __toString(): string
 	{
 		return $this->type;
 	}
@@ -46,7 +52,7 @@ class CameraType
 	 *
 	 * @return integer
 	 */
-	public function getId()
+	public function getId(): int
 	{
 		return $this->id;
 	}
@@ -58,20 +64,44 @@ class CameraType
 	 *
 	 * @return CameraType
 	 */
-	public function setType($type)
+	public function setType(string $type): self
 	{
 		$this->type = $type;
 
 		return $this;
 	}
 
+	/**
+	 * Set description
+	 *
+	 * @param string $description
+	 *
+	 * @return CameraType
+	 */
+	public function setDescription(string $description): self
+	{
+		$this->description = $description;
+
+		return $this;
+	}
+
 	/**
 	 * Get type
 	 *
 	 * @return string
 	 */
-	public function getType()
+	public function getType(): string
 	{
 		return $this->type;
 	}
+
+	/**
+	 * Get description
+	 *
+	 * @return string
+	 */
+	public function getDescription(): ?string
+	{
+		return $this->description;
+	}
 }
diff --git a/src/Entity/Flash.php b/src/Entity/Flash.php
index 3cdb868..0e0782c 100644
--- a/src/Entity/Flash.php
+++ b/src/Entity/Flash.php
@@ -20,7 +20,6 @@ class Flash
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
 	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.flash_id_seq", allocationSize=1, initialValue=1)
 	 */
 	private $id;
 
diff --git a/src/Entity/Lenses.php b/src/Entity/Lenses.php
index 3f9741c..9072f49 100644
--- a/src/Entity/Lenses.php
+++ b/src/Entity/Lenses.php
@@ -19,8 +19,7 @@ class Lenses
 	 *
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
-	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.lenses_id_seq", allocationSize=1, initialValue=1)
+	 * @ORM\GeneratedValue(strategy="AUTO")
 	 */
 	private $id;
 
diff --git a/src/Entity/PreviouslyOwnedFlash.php b/src/Entity/PreviouslyOwnedFlash.php
index bb15b22..0237772 100644
--- a/src/Entity/PreviouslyOwnedFlash.php
+++ b/src/Entity/PreviouslyOwnedFlash.php
@@ -20,7 +20,6 @@ class PreviouslyOwnedFlash
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
 	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.previously_owned_flash_id_seq", allocationSize=1, initialValue=1)
 	 */
 	private $id;
 
diff --git a/src/Entity/PreviouslyOwnedLenses.php b/src/Entity/PreviouslyOwnedLenses.php
index dab70f3..7c35da3 100644
--- a/src/Entity/PreviouslyOwnedLenses.php
+++ b/src/Entity/PreviouslyOwnedLenses.php
@@ -19,7 +19,6 @@ class PreviouslyOwnedLenses
 	 * @ORM\Column(name="id", type="integer", nullable=false)
 	 * @ORM\Id
 	 * @ORM\GeneratedValue(strategy="SEQUENCE")
-	 * @ORM\SequenceGenerator(sequenceName="camera.previously_owned_lenses_id_seq", allocationSize=1, initialValue=1)
 	 */
 	private $id;
 
diff --git a/src/Entity/PurchasePriceTrait.php b/src/Entity/PurchasePriceTrait.php
index 4a15ea8..864c45f 100644
--- a/src/Entity/PurchasePriceTrait.php
+++ b/src/Entity/PurchasePriceTrait.php
@@ -9,9 +9,9 @@ trait PurchasePriceTrait
 	 *
 	 * @param string $purchasePrice
 	 *
-	 * @return Camera
+	 * @return self
 	 */
-	public function setPurchasePrice($purchasePrice)
+	public function setPurchasePrice($purchasePrice): self
 	{
 		$this->purchasePrice = $purchasePrice;