VTech is the world’s largest manufacturer of cordless telephones and a supplier of electronic learning products. It is also one of the top 50 electronic manufacturing services providers globally.
http://www.walmart.com/ip/19717412?adid=1500000000000032347760&veh;=dsp. See a product demo of the VTech - Safe and Sound 1.9 GHz Digital Audio Baby Monitor from Walmart. Features DECT 6.0 digital technology, providing crystal clear transmissions and eliminating the annoying white noise produced by analog monitors. The only sounds you hear are coming from your baby.