multichannel call pager system

{"cid":"91219986","title":"Waterproof Multichannel Call Pager System For Ip32 Certified Communication","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/8b\/b0c8a2b87ab7fadbff1ca7d78f06-200x200-1.jpg","attrs":{"Price":"US$73.5","Brand Name":"Top Honor","Model Number":"TH-KS30","Minimum Order Quantity":"10pcs","Place of Origin":"Guangdong, China","Certification":"Yes","Size":"105*50*12mm","Color":"Black White","Material":"ABS","Number Of Channels":"16","Waterproof":"Yes","Frequency Range":"400-470MHz","Transmission Distance":"Up To 1 Mile","Alert Type":"Vibration\/Sound\/Light"}}