Q：I specialize in house assembly, and all I need is a UL certified smoke detector that can be connected to other smoke and mold detectors inside the house. Which product do you recommend？
A：
We have both hard-wire interconnect and RF wireless connected device,you can choose based on your install situation,you can use Heiman 638 series with hard-wire function and S1-R for wireless interconnect function for your reference.
