Description: 43mm Active Piezoelectric Buzzer with Built in Drive circuit. Operating Voltage: 6-28V DC; Rated Current(max):20mA. Sound Pressure Level(min): 90dB; Output Frequency: 2900 ±500Hz. Features:Waterprof, Small size, Light weight, Low power consumption and Good reliability. Applicable to small electronic devices such as electronic watches, pocket computers, electronic doorbells and electronic toys. It can also be used as an acoustic sensor for voice-activated toys. Specification: Poduct: Active Piezoelectric Buzzer Material: ABS Diameter: 43mm/1.69inch Height: 33mm/1.3inch Operating Temperature: -20?~60? Storage Temperature: -30?~70? Package Includes: 1 Piece Active Piezoelectric Buzzer Note: The above size is measured by hand, please allow slightly difference. Thanks !
