Alcohol Detection Systems Ignition Interlock


2400 Rosecrans Ave.
Gardena, CA 90249
M Closed, Tu-Sa 8am-5pm, Su 8am-12pm

Monday:  Closed
Tuesday: 
8:00 am – 5:00 pm
Wednesday: 
8:00 am – 5:00 pm
Thursday: 
8:00 am – 5:00 pm
Friday: 
8:00 am – 5:00 pm
Saturday: 
8:00 am – 5:00 pm
Sunday: 
8:00 am – 12:00 pm


Established in 1986, J & J has been in business for over 25 years. Owner, Jay Park, provides high quality products with detailed services to give you exactly what you are looking for. He has great passion for what he does and has been in the industry for a long time. Come check us out! We specialize in Sound Systems & Equipment, Stereophonic & High Fidelity Equipment-Dealers, Security Control Systems & Monitoring, Auto Alarm, Ignition Interlock, Amplifier, Stereo, and High Quality Auto Tint.