One-tone siren with back-up battery
Power: 20W
Rated voltage: 12V DC
Operation voltage: 6 to 15V DC
Operation current: 900 to 1,500mA at 12V DC
Operation temperature: -20 to 60 degrees Celsius
Coil impedance: DC 6 ohms
Magnet: Ne-Fe-B (diameter) 24 x 3.6
Sound pressure level: 112dB
Intermittent sound for at least 20 times, on for 10 minutes, off for 10 minutes
Siren rechargeable battery: 6V DC, Ni-Cd 65mAh
Size (L x W x H): 77 x 73 x 58mm (including bracket)
Plastic housing: ABS
Available in same sizes with one tone, two tones, six tones in 15W and 20W