Using mobile phone, wireless, radio, microchip and GPS (global positioning satellite) technology, they can keep tabs on their children wherever they are, night or day.

• 使用手机、无线电话、无线电接收装置、微芯片和全球定位卫星技术，无论他们在哪儿，无论是白天还是黑夜，都能监视自己的孩子。