PROFESSIONAL ELECTRONIC ALKOMAT AT7700 - CALIBRATED - READY FOR USE! - VERY PRECISE test precision at the level of /- 0.01% BAC (competing breathalyzers are at the level of 0.05% BAC)! Professional breathalyzer AT7700 with ISO / CE / FCC / RoHS / UL certificates is a high-class breathalyzer with a CERTIFIED, very fast and accurate sensor . The device is intended for personal use. Electronic breathalyzer means certainty and accuracy of measurement , guaranteed by the highest quality of components. The breathalyzer software has many useful functions, m.in. 32x memory of performed measurements and 3 color display that changes color depending on the test result, alarming sensor and built-in air temperature measurement function. . A set of accessories allowing the immediate use of the breathalyzer: The kit includes: - Freshly calibrated and ready to use ELECTRONIC ALKOMAT AT7700 - REUSABLE Mouthpieces 10 pcs. - BOX - ADDITIONAL QUICK CASE FOR ALKOMAT - ALKALINE BATTERY SET 3 pcs. Now you will always be sure if you can to drive a car! TECHNICAL DATA Sensor: Advanced semiconductor sensor Accuracy: - 0.01% BAC Detection range: 0.00 2.00 per mille Warm-up time: 20 seconds Acceptable humidity: <95% Working temperature: -10 50 C Storage temperature: 0 50 C Dimensions: 122mm x 54mm x 19mm (without the mouthpiece) Weight: 45 g (without batteries and mouthpiece) Power supply: 3x 1.5V AA A alkaline battery SECURITY With the AT7700 electronic breathalyzer, you don't have to worry about whether the day after the party is drunk, you are in a position to drive. Thanks to this device, just blow into the mouthpiece to be sure that driving a car is safe or it is better to go to work by bus.