Nicefoto OTT-04ne by Millionhead There is a frequency of 433 MHz with 2 sights.

Nicefoto Wireless Flash Trigger OTT-04NE with UMBRELLA HOLDER AND 2 Receiver (Can for 2FLASH at ONCE) There is a frequency of 433 MHz. It can be used up to 30 meters. It comes with a receptor that can hold a flash umbrella and the 2-sized installer. Made for Basic Triggering of Manual Flash Heads or On-Camera Flaashes in Non-TTL Mode, The Wireless Radio Flash Trigger SpeedLight Kit From Nicefoto Contains A 433 MHz Transmitter and Recever thathals 4 Channels with Dip Switch Selection to Defeat RF InterfaceNe A very low profile of only 1.3cm and Includes A 2.5mm Mini-Phone Sync Connector for Trigger.Fracted-Mountative Flash. The Receiver has a Cold Shoe for Mounting, and A PC Outlet Flash News Witch. Io Transmission Makes IT Possible to Trigger a Flash at Distances Up to 30 Meter. Features: Fit for Nikon/Canon Speedlite4 Channels with Hotctor for External Flashesthe Receiver Hollalla HOLLEVERTTHTHE REVBRE REVBRE REVERTT Itchtransmitter - 12V -33ARECEVER - 2 x AAA Batteriesworking Frequency: 433MHzMax. Working Distance - 30m (Open Area Without Interference) Max. Sync Speed ​​- 1/250s (Depenting On Camera and Flashs for MAAJORIT ONEID WITERS UEID WITASS UEID .