1. Comply with relevant standards of GA/T421-2003 puncture deflated roadblock;

2. Structure: It is composed of telescopic system, car stopper, battery pack (rechargeable) and control system;

3. The rated working pressure of the control system: DC12V, when the voltage of the control system is too low, it can be plugged into a 220V power supply for charging;

4. The car-blocking nail is made of steel, with an outer diameter of Φ8.0mm, an inner diameter of Φ6.5mm, a total length of 42.0mm, and an effective length of 33.5mm;

5. Mass: 9.46kg;

6. Effective length of roadblock: 6.5m;

7. The effective distance between the needles is 65mm;