How much does this cost to the nearest dollar?

Electronic Intelligent Door Lock Kit, Home Door Lock Kit with 4 Remote Control, Smart Wireless Anti-Theft Home Security Keyless Deadbolt Access Control System for Home Hotel Apartment(Conventional)
Description 100% brand new and high quality.Dual core dual system, faster, more responsive.Multiple ways to open and close, multifunctional and convenient to use.Easy and firm installation with the external mounting plate.Remote controls with digital conversation system, it cannot be decoded or duplicated.Long service life, made of zinc alloy stainless steel, durable and without fading.Power saving mode and low battery consumption.The bottom panel design makes installation easier and firmer.Suit for office home hotel Anti-theft door Corridor door Wooden doors garage door and etc.The Automatic types can automatic locking after 20 seconds after unlock by Remote

Price is $79.00

Price: $78.99