It is 2.4G TrigMaster Receiver for Nikon D80 D3100 D5100 D7000, and can not use separately. So, be sure that you have already got the whole kit first! Several flash units work together helps increase brightness, fill in shadows and improve the evenness of lighting. So, that's very useful to get more extra receivers if there were several flashguns! With different channels, the photographer can trigger different flashguns in different angle.
- Type: 2.4G radio system
- Power Supply: 1.5V AAA Battery x 2 (not included)
- Size: Approx. 71x 38 x 32 mm
- Compatible with: Nikon D80 D3100 D5100 D7000
- 1 x 2.4G TrigMaster Receiver
- 1 x Convert Adapter
- 1 x Sync Cable