Gadget Place Flash PC Sync Terminal Connector Hotshoe Adapter for Samsung NX500 NX1 NX3000 NX30 NX300 NX300M NX1000 NX210 NX20 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.