![[Video]TR40-Ankle Monitor GPS prisoner tracker bracelet MQTT ankle GPS Watch](https://www.traxbean.com/wp-content/uploads/2023/09/TR40详情页CN3-无水印_副本1_副本2.jpg)
[Video]TR40-Underage Students And Young People Community Correction Electronic Ankle Buckle Close Alarm Electronic Fence To Prevent School Violence
Introducing the TR40, an electronic ankle buckle designed specifically for underage students and young people in community correction programs. This…