What is the post paid water meter

Post paid water meter is a mode in which customers use water first and then pay for it. Most of them are mechanical water meters, which are post paid water meters. For example, multi jet water meters, single jet water meters, volumetric water meters, Woltman water meters,irrigation water meters, etc. of course, many smart water meters are also post paid models, such as NB-IOT water meter,LoRa water meter,LoRaWAN water meter and ultrasonic water meters.

Know more information for the post paid water meter,please clink the picture as follows.