With a 220 lb. capacity, large platform and wireless Bluetooth� communication via the YJACK VIEW� app, the YELLOW JACKET� Wireless Refrigerant Charging Scale 68864 makes refrigerant charge measurements fast and easy. Just connect with any smart device and you are ready to go. With .05% accuracy and 0.2 oz. resolution, service technicians can count on precision measurements every time. Save the charging measurements to your smart device, and you have a permanent record for that installation or service call.