ITEM NAME:10Pcs Continuous Sound Piezo Buzzers IC Alarm 12V JR BX Description This is a set of 6 brand new, continuous sound Piezo buzzers with internal circuitry. Compact in size, these buzzers measure 12mm in diameter and are compatible with a vast range of alarm systems. Specifications: Voltage: 1.5 ~ 15.0V DC Current consumption: 16mA, 12V DC Frequency of oscillation: 3.6 Â ± .5KHz Sound pressure level: 90dB at 10cm, 12V DC Operating temperature: -20Â ° ~ 70Â °C Dimensions: Diameter: 12mm (0.47") Thickness: 9.6mm (0.37") Pin length: 6.92mm (0.27") and 4.28mm (0.17") Distance between pins: 7.20mm (0.28").Find many great new & used options and get the best deals for 10Pcs Continuous Sound Piezo Buzzers IC Alarm 12V JR BX at the best online prices at shop2india!