1.Q :What can you supply to me ? A: We supply emergency vehicle warning light systems for you such as lightbar, car strobe light, ambulance perimeter light,deck/dash light,light stick, beacon light,siren amplifier,auto speaker etc,.We provide OEM&ODM service,shipping and QC service as well to make sure you get ONE-STEP purchase process. 2. Q:Which kind of vehicles your lighting upfitting ? A:For Ambulance car, Fire Truck, Tow truck, Police car and other emergency vehicles. 3.Q:Can you customize the product as per our request ? A:Yes we can,As long as afford the sample , we can open a customize module product for you. 4.Q:How to get a sample from you ? A:All samples will send directly to you door to door by Express like DHL,Fedex after get sample fee, If you have express account of DHL,Fedex we can send sample to you directly ,if you don’t you can send express fee to our paypal account ,Any sample cost will be returned after you place order. 5.Q:What's your payment term? A:Sample order we accept Paypal or Western union, Big order 30% advance by Bank transfer, Balance against copy of B/L by Bank transfer,If order amount above 30000$, we can accept L/C, We will show you photos of products and package before you pay the balance. 6.Q:How about your delivery time? A:Generally , it will take about 3-7 days after receiving your advanced deposit,the specific delivery time depends on the items and quantity of your order. 7.Q:Whats your warranty ? A:All parts 2 years warranty , during this time we will send replace parts to customers free , but need photo or video to prove it broken or damage By non-human force .