6.3 tones, with Microphone
5.Compliant with 20W speaker which we produced
4.Weight:0.5KG
3.Impedance:4 ohm
1.Voltage: DC12V
2.Power:20W
20W siren with microphone
Minimum Order Quantity: | 50 Set/Sets |
Payment Terms: | L/C,T/T,Western Union |
Port: | Ningbo |
Usage: | warning |
Model Number: | YDH-20VA |
Place of Origin: | Zhejiang China (Mainland) |