The Phottix Mitros Plus TTL Transceiver Flash is the best of Phottix?s gold-standard products all-in-one. The Mitros Plus has Built-in Odin Transmitter Built-in Odin Receiver Built-in Strato Receiver Memory Functions The Phottix Mitros is a powerful and durable hot shoe flash that has proven popular since it?s release earlier this year. The Phottix Mitros+ adds significant functionality, allowing photographers to not only use the Mitros on or off camera for lighting, but to also control and trigger remote flash by radio signal. The Mitros+ is a new industry landmark and was developed with input from wedding and event photographers. Use the Mitros+ on-camera as a key or fill light, as well as control and trigger other Mitros+ flashes or compatible flashes using Phottix Odin Receivers. The Mitros+ also offers a built-in Phottix Odin Receiver and Strato II Receiver. Existing Phottix triggers, like the Phottix Odin or Strato II can be used to trigger the Mitros+ without extra receivers.