up to 4 cameras infant monitor

{"cid":"91223247","title":"2 Way Full HD Baby Monitor Non-WiFi Infant Monitoring System Up To 1000 Feet Range 640*480P Camera Resolution","imgUrl":"https:\/\/img.chinax.com\/nimg\/c9\/45\/b4b685f44d02c9d40d6a9ab0cce9-200x200-1.jpg","attrs":{"Price":"25.94usd\/pcs","Brand Name":"Dayun","Model Number":"BM301","Minimum Order Quantity":"50 Pcs","Delivery Time":"1-4 Days","Place Of Origin":"China","Certification":"CE, RoHS, FCC; UN38.3, MSDS, IEC62133, PSE, UL ,BSCI","Packaging Details":"Color Box 144*116*134mm","Payment Terms":"TT,D\/P,D\/A,L\/C","Supply Ability":"200K\/month","Video Resolution":"640 X 480P\/15fps\uff08max\uff09","Screen Size":"3.2 Inches","Range":"Up To 1000 Feet","Wireless Transmission Way":"RF2.4GHz FHSS","Audio Transmission":"Two-way Voice Intercom\uff08Half Duplex\uff09","Camera Resolution":"640*480P","Number Of Cameras":"1","Pan\/Tilt\/Zoom":"Yes"}}