| Customization: | Available |
|---|---|
| Warranty: | Two Years |
| Display: | LCD Display |
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DDSY5558 is a new type of keypad prepayment meter. Custormer purchases energy by the wending network to get aserial number inamed as "TOKEN", and then use the keypoad ol meter to enter the TOkEN, The credit data wil be enteredinto the meter after the TOKEN being accepted.The TOKEN contains 2D dioits and ts encryoted. For the purchasingmethod reason, the meter also named as "Keypad meter". t oomplles with open standard STS
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