Jiangsu Anlan-WK Electronics Co., Ltd.  

Product Name: Tdp-1540pb Model NO.: TDP-1540PB Certification: ISO9001, ISO14000 Usage: Smart Home Style: Mini Category: Buzzer Trademark: alawk Transport Package: Carton Origin: China Product Description SpecificationTypeTDP-1540PBResonant Frequency (KHz)4.0±0.5OperatingVoltage(max)(Vp-p)30Sound Pressure Level (dB)Min85/10cm/5.0Vp-p/4.0KHzCurrentConsumption(max)(mA)2.0Capacitance (pF)14000±30% at 120Hz25ºCOperating Temperature (ºC)-20-+70Storage Temperature (ºC)-30-+80material PPO