How much does this cost to the nearest dollar?

TKDY for Sony Cybershot ZV-1 Cameras Continuous Power Supply, DK-X1 AC-LS5 Dummy Battery Replacement for ZV1 RX1R, RX100 II III IV V VI VII AC Adapter.… (DK-X1 Power Adapter)
FUNCTION The TKDY for Sony zv-1 Cybershot Camera power supply dc coupler kit replacement for Sony ZV-1, ZV1, II (M2), III (M3), IV (M4), V (M5), VI (M6), VII (M7), HX50, HX60, HX90, HX99, HX300, HX400, H400, WX300, WX350, WX500 WX700 Cameras. Advantages It is a tool designed for

Price is $21.00
Price: $20.99