Wireless monitoring is also a power supply, need to charge does not need to plug it, just like our mobile phone has a battery.
However, the wireless monitoring probes on the market are uneven, and the size of the capacity is also different, so is the size.
You can choose according to your own needs, hidden monitoring can choose a small point, but the capacity is not too large, limited battery life.
Do not need hidden monitoring can choose the plug-in, do not worry about the battery life problem.
The wireless camera needs to be charged, of course. Is the most basic operating conditions of electrical appliances. The wireless camera is essentially a small security technology appliance. His camera operation and file storage require electric power to be used. So only if he is fully charged or connected to the power supply, it can be turned on normally. So make sure you charge it.
Can not be used, the current wireless cameras are plugged in, no charging