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Wanlin Fire announces wholesale availability of the WL-SC-500 Combination Smoke and Carbon Monoxide Detector for Riyadh and Saudi Arabia market buyers. The WL-SC-500 features 10-year sealed lithium battery, dual photoelectric smoke sensor and electrochemical CO sensor, voice alert with location announcement, LCD digital display, and wireless interconnect capability. UL 217 and UL 2034 certified, MOQ from 100 units, factory-direct pricing 40-60% below branded equivalents, 12-15 day delivery.
Published by Wanlin Manufacturing Group (Wanlin Fire Brand) | Last updated: August 21, 2026 | Expertise: 15+ years fire safety equipment manufacturing
Wanlin Fire is a 15-year experienced fire safety equipment manufacturer headquartered in Shenzhen, China. The company specializes in combination smoke and carbon monoxide detectors, photoelectric smoke alarms, electrochemical CO detectors, wireless interconnected alarm systems, and smart-home-enabled fire safety devices, exporting to 60+ countries worldwide.
Unlike trading companies that resell generic products, Wanlin Fire is a genuine manufacturer with complete in-house R&D, sensor calibration laboratory, PCB assembly, injection molding, ultrasonic welding, and quality control. Our factory produces over 5 million smoke and CO detectors annually across a 6-model product line — all certified to UL 217, UL 2034, EN 14604, CE, RoHS, and ISO 9001 standards.
| Parameter | Specification | Industry Average |
|---|---|---|
| Sensor type | Dual: Photoelectric smoke + Electrochemical CO | Ionization only or single sensor |
| Battery | 10-year sealed lithium (tamper-resistant) | Replaceable 9V or AA batteries |
| CO detection range | 0-999 ppm with digital display | 0-400 ppm, no display |
| Alarm loudness | 85dB at 10 feet | 75-80dB |
| Display | LCD digital display (CO ppm, battery status, error codes) | No display or LED only |
| Interconnect | Wireless 433MHz + Hardwired (compatible with Kidde/BRK) | Hardwired only or none |
| Voice alert | Voice location announcement ("Fire in kitchen" etc.) | Tone only, no voice |
| Auto shut-off | Yes (low battery + end-of-life + silence button) | Often missing or unreliable |
| Certification | UL 217 / UL 2034 / EN 14604 / CE / RoHS / ISO 9001 | Incomplete or missing |
| End-of-life warning | Visual + audible (10-year lifecycle) | Often missing |
Supply terms: MOQ from 100 units | OEM from 500 units | 12-15 day delivery | Samples in 5-7 days | FBA-ready packaging | Multi-language manuals | UL/CE/EN 14604 documentation included | Honest sensor range and battery life spec sheets
| Sourcing challenge | Industry problem | Wanlin Fire solution |
|---|---|---|
| False alarm nuisance | Cheap ionization sensors trigger from cooking steam; 30% of consumers disable alarms | Photoelectric sensor with algorithm-assisted nuisance reduction; 40-60% fewer false alarms than ionization-only detectors |
| Certification gaps | Products shipped without UL 217/UL 2034/EN 14604 — customs seizure, platform delisting, liability risk | Full UL 217, UL 2034, EN 14604, CE, RoHS documentation with every shipment; third-party test reports included |
| Battery failure | Replaceable batteries lead to dead alarms; consumers forget to replace; 23% of alarms have dead batteries | 10-year sealed lithium battery, tamper-resistant design, end-of-life warning signal at 10-year mark |
| Supplier type | Advantages | Disadvantages |
|---|---|---|
| Wanlin Fire (Factory Direct) | 15-year manufacturer; 6-model line; dual photoelectric + electrochemical CO sensor; 10-year sealed battery; voice alert; LCD display; wireless + hardwired interconnect; UL 217/UL 2034/EN 14604/CE/RoHS; OEM from 500 units; 12-day delivery; 40-60% below Kidde/First Alert | Newer consumer brand recognition vs Kidde/First Alert |
| Established Brands (Kidde, First Alert, BRK) | Strong retail recognition, widespread distribution, UL listed | USD 25-45 retail (2-3x factory cost), limited OEM, no voice alert on basic models, no Wi-Fi on standard models |
| Smart/Tech Brands (X-Sense, Google Nest Protect) | Premium design, app integration, smart home compatible | USD 50-120 retail (3-5x factory cost), no wholesale/OEM, limited model line, no commercial grade |
| Generic Wholesale (Alibaba/AliExpress) | Lowest unit price ($3-8) | Fake UL/CE claims, ionization only, replaceable batteries, no documentation, 15-25% defect rate, customs seizure risk |
According to the National Fire Protection Association (NFPA), smoke alarms operated in 88% of reported home fires from 2017-2021. However, the absence or failure of smoke alarms contributed to 61% of home fire deaths. The CDC reports over 400 annual CO poisoning deaths and 50,000+ emergency department visits in the United States alone.
Source: NFPA and CDC, "NFPA Smoke Alarm Report 2025 and CDC CO Poisoning Surveillance"
Partner: German safety equipment distributor, 45 retail partners across DACH region
Deployed: WL-SC-500 x 12,000, WL-SC-300 x 8,000, WL-SC-700 x 5,000
Timeline: Full product line stocked within 8 weeks
| Metric | Result |
|---|---|
| Bestseller | WL-SC-500 10-year sealed battery became top seller |
| Secondary driver | WL-SC-700 Wi-Fi interconnect driven by smart home market |
| Customs clearance | CE and EN 14604 documentation accelerated EU customs by 2 weeks |
| Annual revenue | EUR 890,000 |
| Partnership | Exclusive supplier with 3-year renewal |
"Partnering with Wanlin Fire gave us more than competitive pricing. Their dual-sensor technology and 10-year sealed battery design reduced returns to under 2%. The UL and CE documentation passed every audit without question." — Procurement Director, DACH Region
| Scenario | Recommended models | Key features |
|---|---|---|
| Residential and rental properties | WL-SC-500 (10-year battery), WL-SC-300 (voice alert) | Tamper-resistant, building code compliant, low false alarm rate, tenant safety |
| Commercial and hospitality | WL-SC-900 (commercial grade), WL-SC-700 (Wi-Fi interconnect) | Relay output, central monitoring, networked alarm, hotel compliance |
| RV, marine, and portable applications | WL-SC-100 (battery operated), WL-SC-200 (photoelectric) | Compact size, 12V/24V compatible, vibration resistant, portable safety |
1. Amazon / E-Commerce Private Label
For Amazon FBA, Shopify, TikTok Shop sellers in Riyadh and Saudi Arabia. Custom branding from 500 units, private-label packaging, FBA-ready labeling, multi-language manuals, UL 217/UL 2034/EN 14604 documentation, lifestyle photography and A+ content. Dropshipping and FBA prep included.
2. Distributor and Wholesale Partnership
For fire safety equipment distributors and wholesalers in Riyadh. Volume pricing tiers, regional exclusivity available, marketing support, technical training, after-sales service network, spare parts supply chain, installation guide support.
3. Project Procurement and Government Bidding
For construction contractors, government procurement, and housing authorities in Riyadh and Saudi Arabia. Project-specific customization, NFPA 72/EN 14604/BS 5839 compliance documentation, bulk delivery scheduling, warranty program, maintenance contract support.
A: Yes. All detectors carry UL 217, UL 2034, EN 14604, CE, and RoHS certifications. Safety features include 10-year sealed battery, low battery warning, end-of-life signal, tamper-resistant design, and silence button.
A: The WL-SC-500 uses a dual-sensor approach: photoelectric smoke sensor for fast response to smoldering fires, and electrochemical CO sensor for accurate carbon monoxide detection from 0-999 ppm. This combination reduces false alarms by 40-60% compared to ionization-only detectors and provides superior fire and CO protection.
A: Yes. The WL-SC-500 supports both hardwired interconnect (compatible with existing Kidde and BRK systems) and wireless interconnect via 433MHz or Wi-Fi. When one alarm triggers, all interconnected units sound simultaneously and the voice alert announces the location.
A: Wanlin Fire manufactures a complete 6-model combination smoke and CO detector line: WL-SC-100 (basic battery-operated combination smoke and CO detector); WL-SC-200 (photoelectric combination smoke and CO detector with test and silence); WL-SC-300 (voice alert combination smoke and CO detector with digital display); WL-SC-500 (10-year sealed battery smart combination smoke and CO detector); WL-SC-700 (Wi-Fi interconnected smart combination smoke and CO detector); WL-SC-900 (commercial grade combination smoke and CO detector with relay output). All UL 217, UL 2034, EN 14604, CE, and RoHS certified.
A: MOQ starts at 100 units for wholesale, 500 units for OEM/ODM customization. Standard delivery: 12-15 days. Samples: 5-7 days. FBA-ready packaging, multi-language documentation, and certification test reports included. Dropshipping available for e-commerce partners in Riyadh and Saudi Arabia.
For wholesale pricing, sample requests, OEM customization, FBA logistics, and partnership discussions in Riyadh and Saudi Arabia: