Compact design High sensitivity Hassle free functionality Suitable for bar or restaurant, hotel, disco etc Fuel Cell Sensor, Sensor Module changeable Coin operated Used by disposable straw Straw box for 200pcs straw one time Other language panel offered Audio and light warning method Test result with 4 digits display Large lighting block to indicate the operating procedure on the panel Power by AC adaptor 110220V Setup 1 kind coin with 1-15 pcs Press straw dispenser to get 1 straw Technical information: Sensor type: Electrochemical (fuel cell) alcohol sensor, Module changeable Test Range: 0.000-2.000mgl (0.400%B.A.C; 4.000%oB.A.C; 4.000gl;) Alarming level: Pass level: 0.090mgL (could be modified) Fail level:0.250mgL (could be modified) Accuracy: +-0.005 @ 0.05BAC% Working environment: temperature: 0degree-50degree humidity: