1. Advanced hot-wire alcohol sensor. 
2. Direct testing process LCD indication. 
3. Digital LCD display with light blue backup. 
4. Sensor type: hot-wire alcohol sensor. 
5. Detectiong range: 0.000~0.200ºC; 0.000~1.000g/L; 0.000~2.000‰ BAC.
1. POwer supply: 6LR61 9V alkaline battery or 12V DC adaptor (no included). 2. Working current: ≤120mA. 3. Operation: 15℃~35℃ 80% RH. 4. Relative humidity ≤95% no dews response time: <5s. 5. Resume time: ≤20s. 6. Warm-up time: <20s. 7. Display: 4 digits LCD display with light blue backup. 8. Dimension: 118 x 68 x 29mm (L x W x H), ≤141 g battery excluded. 9. Battery expectancy time: ≥200 times.