Found this guy on amazon. It has pretty good reviews for $50 wireless camera. It works with ios, android, and windows phones. Not sure if its exactly what you were looking for.
https://www.amazon.com/D-Link-Camera-Remote-Viewing-DCS-932L/dp/B004P8K24W/ref=pd_lpo_421_bs_t_1?ie=UTF8&psc=1&refRID=P10AQ2555CVFSSX4K36Q