Skype/ Wechat: leoheyulei
Video at youtube: https://youtu.be/YvgkA7eC1iY
English language subtitle:
There are 2 robbers entered base station room,opened the door up. the security guards discovered them through our smoke-emitting monitor. they keep an eye on their action. the security guards issued warnings but failure to stop stealing,so they start the smoke monitor at once. the room filled with smoke soon and their vision blurred,finally, the robbers escaped.