How much does this cost to the nearest dollar?

RFN-4s Wireless Remote Shutter Release for Nikon DSLR with MC30 Type Connection (Nikon D200, D300, D300s, D500, D700, D800, D800E, D810, D1, D2, D3, D3x, D3s, D4, D5) - Transmitter and Receiver Set
o RFN-4s is the next generation of SMDV's reliable shutter releases for Nikon. o The 3rd generation receiver unit (starting July 2018) features smaller size, flexible antenna, and more robust pins. Key features o Maximum range of 320 feet (100 meters). o 16 user selectable channels. o 2.4GHz operating frequency. o Transmitter unit conveniently

Price is $58.00

Price: $57.99