DFRobot-KIT0131-Gravity-Know Flow-Basic-Kit-A-DIY-Water-Monitoring-Basic-Kit-DFRobot-KIT0131-1-P-Know Flow-is-designed-for-environmentalists-who-want-to-monitor-water-quality-&-get-real-time-data-It-can-monitor-2-parameters-with-the-basic-kit-p H-&-electronic-conductivity-The-kit-is-based-on-the-Arduino-&-is-easy-to-change-&-add-more-sensors-&-modules-It-stores-the-data-on-a-micro-SD-card-also-the-data-can-be-viewed-on-your-smart-phone-via-Bluetooth-communication-P-P-Using