PT series flash trigger, with stable function, reasonable price, get the user's widespread high praise, using 433 m wireless FM remote control work, super long standby function,  Wide (5V and 12V) low voltage triggered, reaction spirit contact, no stroboscopic, flash and other bad phenomenon; 16 channel design, 30 meters remote trigger, synchronous speed up to 1/250. Advatages: overall height design moderate, photographer when use, will not affect by the trigger big high. Connect a tripod for 1/4 "fixed strong technical strength, flash will not fallen by loose phenomenon; FM switch on the outside, at any time is adjustable, convenient photographer fast frequency modulation, good wonderful shot; Receiver power supply for 2 AAA batteries, the photographer anytime and anywhere can replace the battery, will not be because of the trouble of looking for battery! Hot shoe by tapping type structure, there will be no loose phenomenon! Suitable for professional photography enthusiasts, often use top photographers of flash; A major role in different brand onboard flash flash from the machine, convenient photographer fill light; Features: (Canonă€�NILONă€�SONY) Contact match (SONY new need to increase the conversion interface) accounted for over 90% of the domestic users; Function characteristics: Wireless remote control from the tractor airborne flash light, the only digital camera has a hot shoe, can from the tractor ShanSanDa mainstream brand onboard flash; With unique color design, the country's first 16 channel FM, 30 meters remote trigger, strong anti-interference ability; Low voltage (5 v and 12 v) trigger, responsive, no stroboscopic, flash and other bad phenomenon; Material: Native plastic die forming, metal hot shoe, metal umbrella stands. Other: Launch head with 23 a - 12 v battery, can use up to 10000 times; A receiver battery: 2 * 1.5 V - AAA battery (standard no. 7 battery)