Polaris Wireless Flash Trigger Kit for Karat Meter

Wireless Frequency System: 2.4GHz
Operating Distance: up to 100 meters / 300 feet
Channel: 16 channels
Sync: 1/250s
Transmitter Power:1 x CR2032 battery
Receiver Power: 2 x AAA battery
Receiver includes: ¼ –20 tripod mount