... offered Suitable for bar or restaurant, hotel AT309 is a coin-operated and wall-mount breath alcohol tester which is suitable for ... coin-operated vending business.AT309FeatureSuitable for bar or restaurant, hotel, disco etc Fuel Cell Sensor, Sensor Module rechangeableCoin operated Used by disposable strawStraw box ... each piece.1pc per carton, 9.00Kgs per carton AT309 Coin operated alcohol tester