Product Name: Reversing Alarms for Commercial Vehicles Model NO.: YS-B20 Receive Frequency: 2000 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: 103.5*71*40.5mm Trademark: YUEXIN Transport Package: Carton Specification: CE ROHS Origin: Cn HS Code: 8512301100 Product Description B20 SERIESB20 series is one of most popular and cost efftive linesOur 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.