The AL7000 alcohol tester analyses the concentration of alcohol in the breath, displaying it in mg/ml (promille). The AL7000 detects the alcohol with a semi-conductable sensor, which is replaceable. The scope of the device is 0,0 - 4,0 promille, the device releases a signal when 0,5 or more promille is reached. The results are shown in three decimals. Sensor must be replaced after approximately 300 tests, the device is calibrated after the replacement. AL7000 is 99,9% reliable and CE and DOT certified. The AL7000 is more compact than the AL6000 and displays more decimals. 50 mouth pieces are included.