The posted photos are illustrative in nature. In fact, the product can be distinguished externally, and this does not change the functionality and characteristics of the product.

Products with the "Behringer" brand have a 2-years warranty.
Products with the brand "PIP Audio" have a 2-years warranty.
Products with the brand "PIP Light" have a 2-years warranty.

Products with the brand "Turbosound" have a 2-years warranty.
Products with the brand "Topp Pro Professional Audio" have a 2-years warranty.
Products with the brand "Truss" have a 2-years warranty.

Wireless microphone PV-220

Wireless microphone PV-220
Receiver
Frequency Range: VHF 174-270MHz
Frequency Stability: ±0.005%
Modulation Mode: FM
Maximum Deviation Range: ±30KHz
Audio Frequency Response: 40Hz~20 KHz
S/N Ratio: >85 dB
Audio Dynamic Range: >80 dB
T.H.D.: ≤0.2%
Operating Distance: 50 m
Operating Temperature: -10°C~50°C
Power: DC 12-18V
Dimensions: 190(L) x 40(H) x 140(D) mm
Transmitter (handheld)
Transmitter power: 30 mW
Spurious emission: <40dB
Battery: 9V Battery
Current drain: <100mA