Bike Conversion 4 PIN Switch Button Controller for Bafang P850C Mid Mount Motor Display Panel gray.Feature: 1. ABS Material: The switch controller is made of high quality ABS material with high strength and wear resistance, having good performance for long service life. 2. High Performance: Waterproof connector can ensure a maximum durability in all weather conditions, don t need to worry too much about the impact of environmental conditions. 3. Powerful Part: Manufactured with high performance