Flow control: an intelligent controller that can water in "liters", accurately control the amount of watering, and reduce water waste.Intelligent linkage: wireless RF433 connection is possible, APP remote is realized by "TUYA Smart" or "Smart Life" APP, it needs to be used with WiFi-RF433 smart gatewayTwo watering modes: control watering by amount of water, control watering by time; switch at will.The metal joint is practical and durable, and it is not slippery when tightened back and forth.Circulating irrigation: control according to the amount of water, and control according to the length of watering;Timed irrigation: timed cycle watering, timed single watering;Watering statistics: monthly water volume and length, single water volume and time;Power: 4 AA batteries (not included)Colour:greyMaterial:ABSPackage Contents:2 x Water Controller1 x WiFi-RF433 Gateway1 x English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.