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Legacy interlock device by Intoxalock Ignition Interlock

Legacy remains a popular Intoxalock ignition interlock (BAIID) device, with over 45,000 currently on the road. Customers like its low price, easy to use design, quick warm up time and zero false-positive accuracy.
Best price
Zero wait time*
Guaranteed accurate
BrAC level posted**
Single button activation
Legacy ignition interlock advantages
  • Most affordable ignition interlock device model
  • No wait time over 0° F
  • Fuel cell technology ensures highest accuracy in the industry
  • No false positives - alcohol specific testing
  • LED screen displays BrAC reading**
  • Easy to use – no humming required, one button activation
  • Heat, cold and tamper resistant

**BrAC levels do not post on the display in AZ, CO, DE, FL, KY, ME, MN, MS, MO, NH, NM, NY, PA, SC, VT, WI and WY due to state laws.