RCBS combined all the best features of its existing Chargemaster powder dispensers refined accuracy to 0.1-grain added Bluetooth connectivity to customize and streamline your dispensing processes and built-in our proprietary Powder Learn Process to create a best-in-class measuring experience. - Bluetooth compatible with free RCBS app - 1500-grain load cell capacity - 0.1-grain accuracy - Proprietary Powder Learn Process - Powder hopper drain alarm (patent pending) - 50 memory slots for favorite and Powder Learn charges - Available external battery pack adds portability - 16-segment LCD touchscreen display