the wireless works well as long as there are no objects in the direct (optical) way of the signal. I have had good luck with this set off ebay from a chinese dealer shipping from a domestic warehouse for only 75 EUR. Different dealers offer this on ebay and amazon so I am confident the same stuff is available in the US as well... The cam has night vision infrared LEDs and works really good, as does the 7" screen. It is bright and high-contrast also in sunlight conditions. The transmitter/receiver works good within the technical limits of any 2.4 GHz system, as mentioned above. With optical vision between the units it reaches over 40 meters/yards easily. With massive objects in between 5 meters can be impossible.
Edited by countryman 6/24/2014 15:12
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