OBK-T01 Mini alcohol tester

Function:
1. Display the results digitally with hint sound
2. Rapid response and recovery
3. Automatic shutdown
4. Warm-up time: in 10 seconds
5. Response time: in 5 seconds
6. Working temperature: 5 to 40 degrees Celsius
7. Test range: 0.00- 0.95 mg/l
8. Power: 2  pc s 1.5V AAA alkaline batteries (without) ,1 pc button battery for the clock