Ākāśadhātvīśvarī, goddess of space.
Five Female Buddhas:
Ākāśadhātvīśvarī is white in colour, and her name means "The Sovereign Lady of the Sphere of Infinite Space".
In each hand she holds a lotus which blooms at the shoulder. On the right shoulder is a dharmacakra, and on the left is the vajra-bell.
Ākāśadhātvīśvarī is the consort or prajñā of Vairocana
This bīja, and mantra are from a sadhana and accompanying puja composed by Dharmacari Vessantara.