Specifications:
Material: Plastic 
Speaker Color: Black 
Remote Control Color: Black 
Working Voltage: 12V 
Power: 100 W 
Sound level: 120-150 dB 
Instructions: 
- Power siren with 12V or car battery. 
- Button A: Tone 1 
- Button B: Tone 2, press to stop the siren. 
- Button C: Tone 3. 
- Button D: 4 Different Tones, press to change tone. 
Noticed: 
- Not to be used as a replacement for professional equipment sirens. 
- Will not be as loud as regular police car sirens. 
- Not to be used on the public road unless you are licensed and have rights to do so. 
Applications: Non-professional police car, security, volunteer firefighter, boat. 
Package Weight : 505 G / 17.81 Ounces 
Package Dimensions (L*W*H) : 180*170*120 MM / 7.09*6.69*4.72 Inches 
Package Include:
1 x Speaker 
1 x Black Remote Controller