本机利用无线电波遥控,达到物主对旅行物品的近身控制。只要物品被遗忘或失窃,防盗器立即发出报警。该机由微型发射机和袖珍接收机组成,使用时将发射机放在被控行李包内,接收机放在身边,物品近身时,接收机能收到发射机发来的信号,关闭报警音响器。一旦物品离身(1～2 m),接收机收不到 The machine uses radio remote control, to achieve the owner of the close control of travel items. As soon as the items have been forgotten or stolen, the immobilizer immediately sends an alarm. This machine is made up of miniature transmitter and pocket receiver. When using, the transmitter is placed in the bag controlled by the receiver. When the receiver is at his side, the receiver can receive the signal from the transmitter and turn off the alarm sound Device. The receiver can not receive the item once it has left (1 ~ 2 m)