Hotus Technology

Main features:

1.It has 20 channels which can support 20 different groups to use it in the same place at the same time, and they will not get intereference.
2. It can reach at least 200 meters indoor, 230 meters outside.
3. 863-865 Mhz frequency range which is legal in Europe
4. 2 years warranty for any function problem
5. 2 hours charger time, 20 hours working time