THE TRX-24100 IS A WIRELESS TX RX → 2.4GHZ MIRCO TX & RX (4CH)

There are 2 kinds of wireless video signals, analog & digital. Analog refers to a RF(Radio Frequency). Only FCC approved RF video signals for consumers are 5.4GHz, 2.4GHz & 900 MHz (obsolete). RF video signal can be interfered by other wireless products in same frequency such as cordless phones and wireless routers. Level of interference varies depending on the proximity of the camera to the receiver and the interfering source. There may be no noticeable distortion in video to slight ~ heavy horizontal lines in video. On the other hand, digital wireless (wi-fi) have no interference at all.

Does your cameras work with different voltage for other countries?

Most of our camera come with a power adapter that can handle form 110V ~240V AC.
In case of a direct AC plug-in camera such as clock radio camera
We will include the 220V to 110V (60Hz) step-down converter.
However, if your country uses 50Hz, the time on the clock, because it is digital, will not be correct (off about 20 min a day)

What is a wireless system?

Wireless system refers to a camera that can transmit video/audio signal to a receiver or to a wireless router without using any cable in between. There is no such thing as a wireless power, even a wireless cameras needs power either via plug-in or batteries.