Laravel Eloquent relation depending on type of item -

i have model product, has 2 types: lamps , bulbs. lamp have set of attributes differs bulb, have 2 models lamp , bulb represent set of attributes. type of relation product attribute model should implement in situation?

i've been trying one-to-one relation, in situation second "one" differs product's type.

i've been thinking of eav pattern, don't want tons of joins in architecture right because don't need more these 2 types of item.

what suggest?

upd1: here tables (simplified):

mysql> show columns products; +-------------+--------------+------+-----+---------+----------------+ | field       | type         | null | key | default |          | +-------------+--------------+------+-----+---------+----------------+ | id          | int(11)      | no   | pri | null    | auto_increment | | name        | varchar(127) | no   |     | null    |                | | price       | double       | no   |     | null    |                | | old_price   | double       | no   |     | null    |                | | category_id | int(11)      | no   |     | null    |                | +-------------+--------------+------+-----+---------+----------------+ 5 rows in set (0.00 sec)  mysql> show columns lamps; +------------+---------+------+-----+---------+----------------+ | field      | type    | null | key | default |          | +------------+---------+------+-----+---------+----------------+ | id         | int(11) | no   | pri | null    | auto_increment | | product_id | int(11) | no   |     | null    |                | | width      | int(11) | no   |     | null    |                | | height     | int(11) | no   |     | null    |                | | length     | int(11) | no   |     | null    |                | | weight     | int(11) | no   |     | null    |                | +------------+---------+------+-----+---------+----------------+ 7 rows in set (0.00 sec)  mysql> show columns bulbs; +------------+---------+------+-----+---------+----------------+ | field      | type    | null | key | default |          | +------------+---------+------+-----+---------+----------------+ | id         | int(11) | no   | pri | null    | auto_increment | | product_id | int(11) | no   |     | null    |                | | voltage    | int(11) | no   |     | null    |                | | power      | int(11) | no   |     | null    |                | | base       | int(11) | no   |     | null    |                | | type       | int(11) | no   |     | null    |                | +------------+---------+------+-----+---------+----------------+ 6 rows in set (0.00 sec) 

upd2: understand can use 2 foreign keys in products table , set 1 of them each record, there more elegant scheme situation?