emergency safety hammer, emergency hammer, safety hammer, broken window hammer

hardness: hammer head cone inlaid tungsten steel hardness up to 1600hv10. alarm: this emergency hammer has an alarm device. according to the standard test, the maximum value is above 75db. temperature resistance: low temperature -40±2c for 24 hours and high temperature 85±2c for 48 hours. the product has no change and the alarm device functions normally flame retardant: the flame retardant level of this product reaches a-0.