prepaid water meter

Takes Infrared as information carrier and has characteristics of very strong confidentiality and anti interference.The LCD shows appearance of the amount of water, date, time, meter number, Advanced alarm function: when the customer's intelligence water has already closed such as low power, communication abnormality etc. It can provide an alarm hint to the customer with a buzzer, so that the customer handles it as soon as possible ,assuring customer to use water normally. Internal backup battery up to eight years lifetime. Two levels of warning on low credit. Data updated on client every loading action and transferred to the DB automatically