Hi Qoo Consumers, We are new here but we are in Photography Market since 2011. Here is the Link of our complete sales record.

   1.Multi Channels to avoid interference
   AC-01A: 1 channel
   AC-04A: 4 channels
   AC-16A: 16 channels
   2. Receiver with sync cable, specially used for studio flash
   3. Sync cable for studio flashes
   4. Transmitter -- 12V-23A
   5. Receiver power source: AC110V-240V
   6. Working frequency:433MHz
   7. Max. working distance--30m (Open area without interference)
   8. Max. Sync Speed - 1/200 - 1/250 (depending on camera and flash)
   9. Works for majority of older flashes used with film cameras.
   10.Warranty time:12 months

   1.Receiver =1pc
   2.Transmitter =1pc
   3.Sync cable Φ2.5*30cm =1pc
   4.Adapter Φ3.50 =1pc
   5.User manual =1pc