9-Sound Loud Car Siren Warning Alarm Fire Air Bugle PA Speaker 12V Air Horn Megaphone Car Horn 150DB Air Loud

Specification:Rated Voltage: 12V DCOutput Power: 400WType:alarm hornSound level:150dbColor:blackCurrent:20AAlarm diameter:140mmMaterial: plastic + metalFeatures:- You can connect flash lights.- It has microphone functions,Wireless push to talk microphone.- The sound is loud and pure.- Universal for all kinds of cars and vehicles.- 9 Tone Hands-Free operation with override from the horn ring.- A microphone is attached to the remote control,press the button on the left of the remote control and point your mouth to the upper left corner of the microphone.- Can control 2 LED lights with Accessory Switches.- Low energy consumption, long life and reliable performance, easy to operate.- Come with hook,save your space.Installation Method:Easy to install anywhere with 12V DC Power.No installation guide provided, please consult with car audio installer or mechanic.The main red is connected to the positive electrode of the battery, the black line is connected to the negative pole,and the other 2 green wires are connected with the horn. The white and yellow can be connected to each other by 2 flashing lights.