Product Introduction TB605-1 external piezo buzzer, it is an alarm device that emits warning signals through audible sound and visible light without igniting flammable and explosive gases. Features 鈼?Max range 100Db 鈼?Sound & light alarm 鈼?Applicable models TA623A/TA623B thermohygrometer TA653A/TA653B sound level meter Product Parameter Product nameExternal piezo buzzer, ModelTA605-1 Oscillation frequency2500Hz卤500Hz Operating voltage5~24V DC Rated voltage12V DC Current consumption20mA (at rated voltage) Sound pressure level100dB (at rated voltage, 10cm) Operating temp.-20~70鈩?/p> Storage temp.-30~85鈩?/p> Cable length12cm Size桅50*H37.5mm weightApprox. 33g Why Choose Us? We are a professional instrument manufacturer in China. We can provide qualified, reliable and cost-effective products. If you are looking for instrument suppliers, TASI will be a good choice. Contact us for price on multimeters, external piezo buzzer, infrared thermometers, sound level meters and more.Piezo Buzzer website:http://www.tasimeter.com/accessories/piezo-buzzer/