This is a Yongnuo YN-622N Wireless i-TTL Flash Trigger 1/8000s, which is compatible with the Nikon D70S, D80, D90, and many other cameras. It is straightforward to set up and much more economical than pocket wizards. This remote control is an ideal way to get into off-camera flash setups. The laser beam is a very useful feature, offering fast and reliable performance with an excellent range of 100 metres.