The CPS Products CC220EW Compute-a-Charge Enhanced Wireless Refrigerant Recovery Scale, 220 lb Capacity is a battery operated, precision scale with a visual charge and recover alarm feature, for weighing, charging and recovering refrigerants used in HVAC/R systems. The ergonomic hand held remote incorporates 6ft coil cord, a hanging hook and is backed with a magnet for attaching to metal surfaces. The CC220EW allows a user to input a refrigerant weight to be charged or recovered, and will then track progress on the handheld display. The CPS Link app enables additional functionality.