2 of 3 people found the following review helpful
first shipment failed after initial use,
This review is from: Ex-Pro Wireless-Pro RS-80N3 2.4GHz LCD Timer Remote Switch Control for Canon DSLR Cameras [See Description for Models] (Electronics)
seller has shipped replacement unit with no quibbles. Hopefully, I have better luck next time. Can't complain about the service, but surprised about the product which seems to be popular - a one off?