Fangrui Product Details Advanced Monitoring: The Coulomb Meter Is Your Go-to Device For Precise Monitoring Of Both Lithium And Lead Acid Batteries. It Provides Real-time Data On Voltage, Current, And Battery Capacity, Ensuring Your Rv Or Other Battery-powered Systems Are Running Efficiently. Wifi Connectivity: Equipped With Wifi Capabilities, This Meter Allows For Remote Monitoring Through Your Smartphone Or Computer. Stay Updated On Your Batterys Status From Anywhere, Enhancing Convenience And Safety. Durable And Reliable: Designed For Longevity And Reliability, The Withstands The Rigors Of Daily Use In Any Demanding Environment. Its Robust Construction Guarantees Long-term Performance. Easy Installation: This Meter Is User-friendly With An Easy Installation Process That Doesnt Require Professional Help, Making It For Diy Enthusiasts. Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Will Not Affect Use. Type:km105f Colour:black Material:plastic Package Contents: