• Aims to test for alcohol levels on breath • Multiple mouthpieces included • Auto power off • Audible alert • LCD display • Delivery: £2.99* Whether you know your limit whilst out drinking with friends, you can never be too careful -- for €9 (a €38.35 value) get a 'digital breath alcohol tester', which aims to let you know when to hang up your keys for the night and walk home instead. Need to know • Dimensions: approximately 5" x 4" x 2" • Range: 0.00–0.19% BAC • Batteries not included *Delivery not included. Additional charge of £2.99 applies per voucher to ROI addresses only.This will be charged in pounds sterling and converted by your card or other payment provider Looking to give something special? Discover hundreds of thoughtful, unique presents for everybody on your list -- visit our Gift Shop! You can earn Tesco Clubcard points on your eligible LivingSocial purchases! Find out more.