This model XH-SLT33 comes with 110db alarm system, induction distance 10M; For both wall mount & pole mount, good for wholesale & retail business. SPEC PRODUCT PHOTOS PACKING & LOADING CUSTOMER FEEDBACK COMPANY VIEW CERTIFICATES WHY CHOOSE US *One-stop Service *20 Years Manufacturing Experience *Large Factory with Complete Facility *Cost Efficiency FAQ Q1: Are you a manufacturer or trading? A1: We are a union of factory & trading office, OEM is acceptable. Q2: Do you require MOQ? A2: Sample order is welcomed, MOQ is required for OEM order, this is negotiable. Q3: How can you ensure quality? A3: We have our own QC team and certificates, all orders will get 24-72 hours aging test before being packed and delivery. Q4: How much is the freight cost of samples? A4: It depends on product weight, packing size and your delivery address. Please talk to us for more details. Q5: What's the shipping method? A5: All shipping method is welcomed, regularly our customers require CIF, DDP, DDU etc. Q6: What about after sales services? A6: We have a professional team which is in charge of after-sales service, we will respond within 6 hours. We offer warranty terms, pls talk to us for more details. Q7: Why the product warranty is 2 years? Do I need to replace the lamp after 2 years? A7: The industrial standard warranty is 2 years, but it does not mean you can only use them for 2 years, we will provide free service within this 2 years, after that we still provide customer services based on your further demand. Q8: What about delivery time? A8: Regularly it takes about 28-35 days for bulk order, but surely it depends on specific model, order QTY and specific time you place the order, so we suggest you confirm it with us before your order. Q9: What's main difference between monocrystalline and polycrystalline solar panel? A9: They are both mature technology, the mono conversion efficiency of is a bit faster than poly, mono 19% poly 18%, which means that during same sun charging, mono panel will get a bit more power than poly. But it's just a bit more, not much difference, so we recommend poly which is cheaper, just for specific requirement we can use mono.