Fire Truck Siren and Lights is a Funny and Tricky sound effect app for you. You can use your mobile to emit "Fire Truck" siren for fun and make jokes, sometimes it may useful if you face any "Dangers" too. Also, there are lighting effect and alarm function in this app. Play the tricky with your friends now! Fire Truck Siren. Fire Truck Light. Alarm clock. Easy to use.