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• + A dust (human eye can see) is >100 microns.Per my understanding, smoke particles should be in nano-meter to micro-meter range.How can a dust trigger a false smoke alarm?
• + We needs local integration for your smart home devices,can you support it using my own APP?
• + How to operate to reset the repeater HS2RNL,is there any indicates to remind me that if i has operated successfully?
• + What’s the LED indicates of the interconnect gateway WS2GW-R when it is always red on and green on,what’s the difference?
• + Can you help confirm the following information about the smoke alarm WS2SA-1-TY what's the storage temperature？standard for impact resistance?UV resistant.?
• + Can you let me know which security encryptions are compatible with WS2SA-5-TY?
• + 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？
• + If the CO detector HM-733ESY detect CO in some time of one day while i am accidentally not at home,is it possible for me to check history?
• + The display number range of Carbon Monoxide HM-733ESY is 10-999 ppm,is there conflict with the description of notification when the concentration of CO is over 20ppm?
• + Can Heiman matter device connect to my private cloud platform with my own APP for safety data management?
• + Can the volume of the cascaded alarm siren be adjusted? If I want to lower it, how can I do that?
• + When connect HM-638PHM-AC with 120V wire,there will be 1W power consumption even the switch is turned off,what’ the reason?
• + May i install the vape detector at the shower place?
• + Does the HM-638THM-AC support wireless cascading? Does it use the RF868 protocol?
• + Is interconnected sub-device’s SN the identifier for device?Why there is different SN for heat alarm and heat alarm recovery,also find different SN in fire alarm event?
• + How to get the unique identifier of the interconnected sub-device remotely?
• + What thickness wire do you recommend for interconnected smoke alarm HM-638PHW-AC/HM-638PPHM-AC?
• + How long will ir take for the zigbee and wifi motion sensor report the triggre message?
• + What is the wireless communication frequency band of Heiman's infrared product HS1MS,is it adjustable?
• + Why when we push the Alarm button it not send newsletter to Mobile phone?