CowboyStudio SPT-04, 4 Channel Wireless Hot Shoe Flash Receiver for Sony A330L, A230L, A100K SLR Camera, Sony flash
Price 16.95 USD
Includes:1 x Receiver (Powered by 2 x AAA, Battery is not included) 4 channels with hot shoe connector for external flashes Receiver Power: 2 AAA Battery (Not included) Maximum Working Distance: 30m (open area, without interference) Operates on Frequency: 433MHz Highest responding time up to 1/320s Triggering life: up to 20,000 times