Phottix Ares II Wireless Flash Trigger Kit with 16 channels and 4 groups is used to trigger hot shoe flashes, compacts and battery pack lighting in any situation. This kit is capable of firing lights up to 490 feet apart. Items Include: • One Transmitter and One Receiver units. • Printed gift box. • Carrying bag for one set transmitter + receiver. (Ares bag) • Phottix 3.5 (male) to 3.5 mm (male) Sync Cord (40cm) with 6.3mm adapter • Hand lanyard for both TX & RX • Printed user manual • Warranty card • AA batteries NOT included.