X2 Car Charger,3 in 1 Multi-function. Include Lifesaving Hammer, Car Air Purifier Ionizer. 1: The use of high power 3.5A intelligent broadband power management core: A wide range of input voltage: DC8V-DC32V (10V~14V 20V~28V gasoline vehicles,diesel vehicles easily cope with) Output voltage: DC5V Output current: 3.5A intelligent control charging current, maximum 3.5A Over current protection: 3.5A. (more than 3.5A will automatically power off protection) Double USB output: mobile phone, tablet at the same time. 2: The integration of high purity oxygen negative ion: The concentration of negative ions: 5 millions per cubic centimeter Ozone concentration: &lt;0.02PPM High purity of negative ions can be refreshing deodorant sterilization, air purificationand other purposes. 3: The integration of machinery safety hammer: Special machinery and special safety hammer (operating as stapler) Can easily break the side window glass, only to the side window of automobiletoughened glass, laminated glass is not recommended for the front and back blocking.