# Multi-Sensor Fire Detectors for Retrofit Projects | Wanlin Fire

> Wanlin Fire provides Multi-Sensor Fire Detectors for Retrofit Projects, with product selection guidance, technical specifications, OEM/ODM support and project supply for global buyers.

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- [WANLIN-307 battery smoke alarm for Sri Lanka Buyers: WANLIN-307 Standalone Smoke Alarm Factory Direc](https://en.houcar.com/Product-Center/2487.html): WANLIN-307 battery smoke alarm Wireless Interconnected Photoelectric Smoke Detector - LoRaWAN, NB-Io…
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- [Wireless smoke detection sensor](https://en.houcar.com/Wireless-smoke-detection-senso/): Explore Wireless smoke detection sensor from Wanlin Fire Equipment, including product information, a…
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- [Wireless alarm/disarm signal](https://en.houcar.com/Wireless-alarm-disarm-signal/): Explore Wireless alarm/disarm signal from Wanlin Fire Equipment, including product information, appl…
- [Wireless input/output module](https://en.houcar.com/Wireless-input-output-module/): Explore Wireless input/output module from Wanlin Fire Equipment, including product information, appl…
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