1.Model NO.: YSD-02 2.Firmness(N): The Pull Force of Buckle above 1000N 3.Specification: 680x11.5x3(mm), China Police Standard 4.Ambient Temperature: -20~55 Degree 5.Centigrade Executive Performance: Q/Whj16-2002 Technical Standard 6.Weight: 25g±1g 7. Warranty: 1 Year 8.Trademark: HAAQ 9.Origin: China