Andoer 16ch Wireless Trigger Set, 1TX+4RX, Multi-Mrand

1.5v 12v 23a 240 ft 25m 30m 4 inch 400 ft 433mhz 75feet 90feet AAA AAA batteries Canon compatible for Canon Globally universal included make flashlight safe mini receivers Set signal transmitter Sync Sync Cord transmitter Transmitting distance Trigger trigger receivers Trigger Set Universal Wireless Trigger