PG TZ1 is an electronic control device good at stopping violent and illegal activities efficiently. It is composed of three main parts, body, cartridge and battery. It has the functions of laser sighting, firing with cartridge deployment, firing without cartridge deployment, LED lighting, recording battery information, battery level displaying, and safety switch. During law enforcement, the electronic control device transmits electrical pulses into the body and cause muscle contraction and body incapacity, so as to control the object without permanent injury.