 It features an electronic trigger.It was used to win the gold (by Mikhail Nestruev) at the 2004 Summer Olympics in Athens, Greece, (by Jin Jong-oh at the 2008 Summer Olympics in Beijing, China, and at the 2012 Summer Olympics in London, United Kingdom.It was also used to win the 1994 World Championship (by Wang Yifu) in Milan, Italy, both the 2002 and 2006 World Championships (by Tan Zongliang in Lahti, Finland and Zagreb, Croatia respectively, and then the 2010 World Championship (by Tomoyuki Matsuda) in Munich, Germany.