DC 48 V 42 MM 100 dB Pulse Sound Intermittent Beep Loud Sound Active Piezo Buzzer for Security Alarm System FSD-4216W

1:As a comprehensive enterprise with an integration of R&D, design, production, we have highly effcient production line, advanced quality testing instruments, excellentproducts and packing2:Our company has passed the international quality system authentication of ISO9001.3:We enjoy a good reputation and sell productions to dozens of countries.4:We insist that quality and honesty come first.5:Grace will be very happy to answer your questions in 24 hours.

1.When can we get the reply?Any inquiries will be replied within 24 hours.Our sales team will try our best to support you.2.What about minimum order quantity?We have no limit for MOQ,so you can even buy only 1 piece.Welcome to buy sample to test first.3.Do you have EU style adapter?A: Yes,We have EU,UK and USA style adapter4.Can customize,modify and develop products according to the design drawing?Yes ,we provide OEM service and can customize products according to the drawing.5.How will you control product quality?We strictly control every detail of production, and every product is inspected by our QC team before delivery.6.What about delivery time?Sample, We will send to you within 3 days after payment received. Production for big quantity needs 7 to 15 days. Andit also depends on product and quantity.If want to know the exact time. Email us the quantity,We will check the time for you.7.What about terms of payment?Payment terms: T/T, west Union Paypal and L/C etc.8.How do I know that you have sent the products out?Once the products are sent out, a tracking number will be provided so that you can check where your goods at all times9.How you will send the goods to us?We will send the goods to you by DHL,FEDEX,UPS, EMS,AIR etc.