About this item 

• ●SIMPLE OPERATION: PTT function (Push To Talk). All-in-one handheld remote control and microphone, easier to operate with one hand while driving. 
• ●POWERFUL PERFORMANCE: Speaker produces 125-135 dB 400-4000Hz. (5.7"x2.1"x5.7" LxWxH) Fits in most vehicles. 
• ●APPLICABILITY: Suitable for all kinds of alarms and emergencies for police cars, ambulances, fire trucks, construction vehicles, pickup trucks, ect. 
• ●HIGH-QUALITY: Comes with mounting bracket. Heavy duty black material with IP66 waterproof rating for longer life. 
• ●EXTRA CONVENIENCE: Two additional 10 amp power switches (A/B) to power traffic emergency warning lights or other applicable equipment.