... 2.DC 12V,250/300PSI,Cylinder diameter:19mm 3.customers'brand and design ok 3 IN 1 mini car air compressorspecfication:DC 12V,250 ... /300PSI,Cylinder diameter:19mm3 in 1 air compressor,inflating,flashing,lighting3m ... and mark are avaiable.Pls feel free to contact us. 3 IN 1 car mini Air Compressor(CC020702)