Battery-Powered CO Detector, Battery Operated Carbon Monoxide Alarm, Portable CO Tester, Wireless CO Sensor, Standalone Battery CO Detector
Customer Service Hotline：
+8613261677119
Battery-Powered CO Detector, Battery Operated Carbon Monoxide Alarm, Portable CO Tester, Wireless CO Sensor, Standalone Battery CO Detector+8613261677119
Quick answer: The WL-IC4 4-Pack Wireless Interconnected Smoke Alarm runs a photoelectric chamber, links units on a RF network, and ships with a warranty. Wanlin Fire is a professional consumer smoke alarm manufacturer in China, providing OEM, ODM and private-label manufacturing services for 4-pack smoke detector wholesalers, e-commerce retailers, retail chains, hardware distributors, home safety contractors, property managers, new construction developers, short-term rental hosts and global retail brand customers. Key result: a 39% gross margin gain for importers and retail partners through factory-direct bundle sourcing, per-model CE / RoHS documentation, EN 14604 / EN 50291 aligned test reports, FCC compliance support, factory-tested retail cartons, flexible MOQ and OEM / ODM / private-label custom retail artwork. Consumer smoke alarm product lines (4-pack platform) cover photoelectric, CO combo, smart WiFi, wireless interconnect, dual sensor, voice alert, strobe for hearing impaired, mixed sensor, hub smart home, multi-sensor triple criteria, hardwired with backup, travel portable, smart home bundle and OEM private label configurations, retail-ready packaging, retail shelf SKUs and complete export programs to NA, EU, UK, Oceania, ME, SEA, SA, Africa and LatAm destinations.
Published by Wanlin Fire | Last updated: September 11, 2026 | Expertise: EN 14604 aligned 4-pack consumer smoke alarm OEM manufacturing for global retail and property markets
Jessica Wilson runs safety procurement for a short-term rental portfolio operating in Riyadh and two neighbouring regions, so a one-carton 4-pack bundle mattered more than the per-unit sticker price. The first retail 4-packs the team tried were premium priced and short on documentation, while the family just wanted a carton that would last ten years and pass inspection.
After reviewing quotes from three countries, Jessica Wilson selected Wanlin Fire as their 4-pack smoke alarm manufacturing partner. The buyer picked Wanlin Fire because the quote included drift-compensated sensing chambers and retail-ready packaging as standard, not as a paid add-on.
When the safety inspector in Saudi Arabia asked for compliance records, the carton-level documentation from the Riyadh shipment closed the audit in one visit.
Before selecting a 4-pack smoke alarm, a buyer should look at what happens after installation: nuisance alarms at 3 a.m., tenant battery removal, inspector audits and dead units between visits. A split-level home in Riyadh had three alarms that were not interconnected, and the basement alarm sounded for ten minutes before the family on the top floor noticed.
Field case: A property developer in Riyadh standardised on the interconnected 4-pack for new builds and reported 26% fewer follow-up service calls about isolated alarm coverage.
Why it matters for global buyers:
Wanlin Fire provides flexible OEM and ODM services for customers who want to build or expand their own consumer smoke alarm product lines for global retail and property markets. Our customization capabilities include:
Whether you need an existing 4-pack under your own brand or a customized 4-pack line developed for your retail market, our team can work with you from sensor selection through retail carton delivery.
Wanlin Fire builds consumer smoke alarms around three things families actually measure: stable sensitivity over years, paperwork that passes inspections and bundle pricing that fits a single retail carton.
Core Features:
| Parameter | Wanlin Fire Specification |
|---|---|
| Detection principle | Photoelectric smoke chamber per alarm with RF interlink |
| Standard alignment | EN 14604 domestic smoke alarm response with RF interlink |
| Interconnect | RF wireless interlink of up to 30 devices on one network |
| Network range | Multi-floor mesh across concrete floors |
| Power source | 10-year sealed lithium cell |
| Alarm sound | 85 dB at 3 meters per alarm |
| Hush button | Single-press silence on initiating unit |
| Test button | Single-button test across all linked units |
| Memory | Alarm memory LED shows which unit triggered the network |
| Mounting | Screw or adhesive pad, no ceiling damage |
| Operating temperature | 0 to 40 degrees Celsius |
| Warranty | 18-month |
| Scenario | Recommended model | Key benefits |
|---|---|---|
| Multi-floor family home | WL-IC4 | One alarm in the basement sounds every alarm on the upper floors, waking the family in seconds |
| Duplex and split-level homes | WL-IC4 | RF mesh hops across the floor structure without rewiring |
| Large apartment layouts | WL-IC4 | Four alarms cover the whole unit and the alarm memory LED pinpoints the trigger |
Certification is one of the most important considerations when sourcing consumer smoke alarms for export. Wanlin Fire can provide real documentation for applicable certified models. Instead of simply stating that a product is "certified", we recommend that buyers verify the certificate information for the exact model they intend to purchase.
| Information | Details |
|---|---|
| Product | 4-Pack Consumer Smoke Alarm (Wanlin Fire WL-series Platform) |
| Model Number | WL-IC4 |
| Standard | EN 14604 aligned domestic smoke alarm response, EN 50291 for CO combo variants, EN 54-7 underlying photoelectric chamber design, FCC compliance for WiFi variants, CE / RoHS / REACH on applicable models, UKCA option |
| Compliance Support | Documentation templates and technical file support where regional consumer electronics rules apply |
| Test Reports | EN 14604 aligned smoke box, CO chamber and interconnect verification per batch |
| Certificate Number | Provided on request per model |
| Certificate Holder | Wanlin Fire or applicable certification holder |
| Certification Body | Notified body per certificate |
| Target Market | NA / EU / UK / Oceania / Southeast Asia / Middle East / South Asia / Africa / Latin America |
| Certificate Status | Valid for applicable models |
| Certificate Document | View / download on request |
For customers importing consumer smoke alarms, Wanlin Fire supports CE, RoHS and REACH documentation with per-model files, EN 14604 and EN 50291 aligned test reports for the applicable device classes, and FCC compliance support for the WiFi variants. UKCA options follow the UK route on request. Final acceptance always rests with the market authority having jurisdiction for each product class, and we recommend the importer of record verifies the exact model before ordering.
Wanlin Fire positions itself as the manufacturing partner behind local retail smoke alarm brands, offering private label, local language manuals and after-sales spares rather than a closed retail box.
| Factor | Wanlin Fire | Typical Trading Supplier | European or US Brand Retailer |
|---|---|---|---|
| Manufacturing depth | China-based factory, in-house SMT, chamber assembly, smoke box and battery tests | Trading company, outsourced production | Brand owner, no custom work |
| Document transparency | Real CE files, EN 14604 aligned test reports, FCC compliance for applicable models | Incomplete or missing, customs risk | Brand-level only, no project docs |
| Customization | Custom retail artwork, sensor mix, part numbers, languages and packaging from low MOQ | Limited to retail stock models, higher MOQ | No customization, fixed retail SKUs |
| Price (factory direct) | Competitive factory pricing with tiered volume discounts | Low price but quality risk | Brand markup of 2-4x |
| Delivery reliability | Confirmed production slots, batch inspection photos, 25-40 day lead times | Unpredictable, no QC access | Stock-dependent, allocation risk |
| After-sales | Spare sensing chambers, batteries, hush buttons and alarm housings, firmware support | No after-sales, high failure risk | Limited, ticket-based support |
Wanlin Fire's 4-pack smoke alarm OEM services are suitable for: 4-pack wholesalers, e-commerce retailers, retail chains, hardware distributors, home safety contractors, property managers, new construction developers, short-term rental hosts, elderly caregivers, new parents, renovation contractors, interior designers, home inspectors, insurance agents, OEM private label buyers and trading company sourcing managers across NA, EU, UK, Oceania, ME, SEA, SA, Africa and LatAm markets.
A typical Wanlin Fire 4-pack OEM project begins with the target market, because sensor type, certification, language and retail rules decide the hardware configuration. A standard OEM project then follows 8 steps:
Retailers who moved from brand reselling to factory-direct 4-pack supply in Saudi Arabia usually mention the same shift.
A: A fire in one room must wake the family sleeping in another room. Interlinked alarms sound every alarm in the home simultaneously, while standalone units only cover the room they hang in.
A: The WL-IC4 interlinks up to 30 alarms on one network, enough for whole-house coverage plus garage and basement. Four alarms per the carton is the typical home layout; larger homes add additional cartons on the same network.
A: Up to 100 meters in open air, with multi-floor hops in typical concrete construction. The signal survey during installation confirms the placement before the units are sealed to the ceiling.
A: Sealed 10-year lithium versions run the full alarm life on one cell. Replaceable versions need annual cell changes, which is the most common cause of disabled alarms in rented homes.
A: Retail packs ship from 1 carton. Distributor bulk orders start at 100 cartons and private-label production with custom packaging starts at 500 cartons per batch.
Key result: By working directly with manufacturer Wanlin Fire, Riyadh E-commerce Retailer Jessica Wilson achieved 39% higher margins while offering competitive retail pricing. With verified documentation support, honest specifications, EN 14604 aligned sensor types, custom private-label retail artwork and after-sales spare programs, Wanlin Fire has become their trusted 4-pack smoke alarm OEM and ODM manufacturing partner.
For more information: www.wanlinfire.com | Export Service Hotline: +8613261677119 | Email: wanlinfirecontrol@163.com