Main features: the purchase of electricity through imports M1 RF card, long service life. Card data stored for 10 years, rewritten 100,000 times or more, the reader unlimited. Meter line three-phase four-wire line. Meter outlet for single-phase or three-phase or single, three-phase any mix. With overload protection function: When the user electrical power is greater than the set value of the meter, the meter off automatically. Has a low battery alarm: When a user with the power failure alarm value equal to the meter, the meter automatically power off, prompting the user to quickly purchase. With infrared meter reading function: infrared meter reader may Collecting remaining power user features. Loop display remaining battery door, prompting the user to timely purchase of electricity. Each user can be individually cleared, there are changes in user convenience. Special anti-creep watchdog circuit, more reliable. Infrared sale of electricity meter reader: the sale of electricity meter reading using infrared, meter reading, data can be uploaded to a computer, computer management. 2, RS485 Networking: Networking to connect to the computer via RS485, with computer management. 3, RF card ways: through RF and RF card swipe card, with computer management. RF card swipe is divided into two: one is built-in card reader, card reader, and the meter itself is one. The other is an external card reader, external card reader has a separate power supply, connected by cables and electricity meters, external card reader to use more flexible and can be installed in a place where people are more convenient credit card. Service commitment: The company's products within two years of free maintenance and lifetime maintenance. 24 hours to reach the province, the province 48 hours to reach the service location. Features: This product developed by Philips M1 RF card import control power off / on, making prepaid functionality. M1 RF card non-contact, long life, encryption performance, stable and reliable, and can also be used at any time to the scene infrared meter reading Collecting user's remaining power, realized by controlling the intelligent management software, internal magnetic overcurrent relays ability to maintain strong, Under the user to increase power without the use of electrical appliances to replace the meter, this product greatly facilitate property management, effectively preventing evasion electrical behavior, and to solve the difficult problem of charge.