How much does this cost to the nearest dollar?

Retevis RT97 Professional Radio Relay Station,Full Duplex Customizable Base Solid Analog Radio Relay for Family Use(1 Pack)
Small and compact design of retevis mobile radio relay is easy to carry to increase the transmission distance of walkie talkie;solid and dust proof radios repeater for longer use life without wasting your money High power mobile radio relay with the matching power adapter can work under DC 12V 24V power or car power;ideal for underground parking;hotels;moving fleet;mining;ports and so on Easy to install and operate;mobile base station can be operated flexibly as fixed or mobile The built-in duplexer can receive and transmit signals at the same time; you just need to match one antenna to transfer the signal of the walkie talk

Price is $400.00
Price: $399.99