... opp bagPayment:T/TDelivery Term:FOB shenzhenUser Manual:Alcohol tester watch with extremely high reliability feature, ideal for personal use. ... Case Dis.: ΦOperation InstructionThe main components to operate the watch are the buttons. The operations for the buttons are divided ... solvents, detergents, perfume, cosmetics and other chemicals.If the watch is soaked by water, clean it with a soft dry ...