The amulets of Vishnu (Phra Narai).

The amulets and sacred objects Vishnu (Phra Narai).
Vishnu, sometime referred as Hari and Padmanabhi
is the second God of the Hindu trinityTrimurti
(with Brahma and Shiva).
In some tradition it is considered that the Sakyamuni Buddha
is in fact an incarnation of Vishnu !
Vishnu is also the protector of the universe.