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I've been using the Paul Buff CyberSyncs These things are extremely solid, and small. I shoot outdoors, at night. I've used these triggers in temps down to 42 below zero with no issues. They have a reliable 150 yard range, and I can get another 100 yards (250 total) by using two of them relay style. I've dropped a couple in a river and they were fine after Iet them dry. They use common AA batteries--I use Energizer Lithium Ultimate. Despite using them in the very worst winter weather of 40 below zero, or at temps over 100 degrees here in the Dakotas, they are still going strong after five years of very tough abuse. Never had a malfuntion or have one break. I got a 10-pin from FlashZebra. Highly recommend these if you are really rough on gear.
Kent in SD