Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.  

Product Name: Heavy Duty Filed Select dB Smart Backup Alarm Model NO.: B40 series Receive Frequency: 2400 Alarm Volume (within 1m): ?100dB Transmission Mode: Cable Working Principle: Electromagnetic Application: Outdoor Certification: CE Working Mode: Active Signal Transmission: Wired Alarm Type: Industry Alarm Dimension: 129*74*69mm Trademark: YUEXIN Transport Package: Carton Specification: CE, ROHS Origin: Cn Product Description B40 SERIESB40 series is made for customization, with beautiful appearance.A glass-filled nylon housing with expoxy-encapsulated electronics provide exceptional durability and protection against moisture, dust and vibration.You could decide what the voltage and output will be, or intelligent one that measures the ambient noise level and adjust their output level, or vocal version even your own voice.Sealed in expoxy for protection against dust, mositure and vibrationVoltage polarity protectioneasy to install, and many optional connectors/wireRoHS compliant, CE certified B41 SPECS1. Output Level: 97/107+/-3dB(A) AT 4FT2. Voltage: 10-48VDC3. Current(max): 0.6A+/-10%4. Temperature Range: -40ºC-85ºC5. Frequency: 1400Hz+/-10%6. Duty Cycle: 0.85 pulse per second(50%ON 50%OFF)7. Weight: 355gOur companyFAQQ1: what is the MOQ?YUEDA: No MOQ required.Q2: what it the lead time?YUEDA: 1-3 weeks, for regular models, we usually prepare some in stock, so shipment could be made very soon.Q3: Can I have some free samples for evaluation first?YUEDA: Sure. We could offer some free samples.Q4: What payment methods do you accept?YUEDA: T/T, PayPal, western Union, Money gram.Q5: What payment terms do you accept?YUEDA: Generally, payment before shipment at the beginning.Q6: Can you make some revisions to it?YUEDA: Sure, we will, just let us know.Q7: Is it RoHS/REACH compliant?YUEDA: Yes, all our products are RoHS and REACH compliant.