Gadget Place Flash PC Sync Terminal Connector Hotshoe Adapter for Sony Alpha A7S A7R A7 a6000 a5000 a3500 This is a PC sync. hotshoe connector with terminals. There are two PC sync. terminals and one hotshoe. It activates? multiple flash units ?simultaneously. With tripod socket, can be mounted on standard tripods or flash brackets. Cord is sold separately.