1. Patent elcometer alcohol tester 2. Patent Radiation Tester 3. Patent UV Tester 4. Promotion gift Digital Breath Alcohol Tester---ALT-12 More picture:    Product Description: Digital alcohol tester1. Advanced flat surfaced alcohol sensor2. Quick response and resume3. SMD assembling, stable performance4. MCU control5. Direct testing process LCD indication, BAC 0.000%, 0.00 %0, mg/l6. One key operating7. Digital LCD display with Red backlight8. 360 degree rotating mouthpiece9. Portable and fashion design10. Audio warning beyond pre-set limit11. Sensor Fault Self checking12. Battery saved design, low voltage indication

Cheap /protable Digital Alcohol Breath tester/alcometer/breath tester/alibaba express (ALT-08)