Specifications Product Motorized Siren - MTR 142 Model No MTR142 Tone Standard Siren Tone Operating Voltage 220 Volt AC Current 1.0 Amp Sound Level 1 KM Operating Temperature 0 o C to +50o C Color Red & Silver / Red Continuous Operation 2 minutes & 15 seconds off up to 15 minutes Material of Housing Aluminum RPM 6000 Warranty One year against any manufacturing defects.