WH0162-2 L20 30T potentionmeters, b103 potentiometer with swithes

WH0162-2 potentionmeters is  a b104 potentiometer,b104 potentiometer from changzhou yuhao,b104potentiometer with swithes, with the following characteristics: small size, low power consumption, long life, waterproof. Main use: car audio, walkie talkie, communication equipment volume control.