RFT500 is wristband tag is designed to be worn around the wrist. The tag can be used for people in the office or the hospital. The panic button on the top can transmit an alarm to the backend service center and deal with the accident or emergency right away. Besides, RFT500 provides temperature monitoring and take-off detection function helpful to realize the situation of the wearer. Regarding to the data collision, RFT500 uses two-layer anti-collision technique, significantly reduce the loss rate than general product in the market. Furthermore, friendly and easy setup function is flexible for different application.