{"product_id":"zooz-800-series-z-wave-long-range-dc-signal-sensor-zen55-alarm-input","title":"Zooz 800 Series Z-Wave Long Range DC Signal Sensor ZEN55 - Alarm Input","description":"\u003cp\u003eIn this review the Zooz 800 Series ZEN55 is evaluated as a focused automation add-on for homeowners and installers who want Z-Wave monitoring of hard-wired smoke and CO detectors. The bottom line: this small DC signal sensor is not a replacement life-safety device but a practical way to get dedicated notifications and optional relay control from analog interconnected alarms when paired with a compatible Z-Wave hub. It suits anyone who needs reliable notifications and simple automation tied to physical smoke or CO alarms, provided local codes allow such use.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated alarm input:\u003c\/strong\u003e Wires to hard-wired interconnected smoke and CO detectors so the hub receives distinct alerts when an alarm is triggered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional relay control:\u003c\/strong\u003e Built-in 120 V relay lets users add automation for a light or siren as an extra signal when the alarm input fires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Range ready:\u003c\/strong\u003e Supports Z-Wave Long Range for extended coverage and fewer network dropouts when the hub and software support it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMesh repeater:\u003c\/strong\u003e Acts as a regular Z-Wave repeater to stabilize and extend traditional mesh networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick inclusion:\u003c\/strong\u003e Includes SmartStart for simpler and secure network inclusion with supported hubs and controllers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe ZEN55 is best for homeowners, electricians, and hobbyists who already use a compatible Z-Wave hub such as Hubitat with a custom driver, Home Assistant via Z-Wave JS, Ezlo, or Z-Box. It is ideal when the goal is to add notifications and simple automations tied to existing hard-wired analog smoke or CO detectors without changing the detectors themselves.\u003c\/p\u003e\n\u003cp\u003eThis device is not for anyone seeking a primary life-safety device or for use with battery-only alarms. Also, because it is an advanced Z-Wave component, users without a compatible, updated Z-Wave controller or those who prefer basic plug-and-play smart sensors may want to look elsewhere.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable relay operation reported by customers, with steady pairing and no unexpected disconnects.\u003c\/li\u003e\n\u003cli\u003eCompact form factor and included pigtail wiring make installation behind switches or in tight enclosures straightforward.\u003c\/li\u003e\n\u003cli\u003ePairs quickly with Home Assistant and Hubitat and supports extended range when used with Long Range-capable hubs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a life-safety device and cannot replace certified alarm components; users must check local regulations before installation.\u003c\/li\u003e\n\u003cli\u003eAdvanced device that requires a compatible, updated Z-Wave hub and in some cases custom drivers for full functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eZEN55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZ-Wave Frequency\u003c\/td\u003e\n\u003ctd\u003e908.42 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e120-240 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZ-Wave Range\u003c\/td\u003e\n\u003ctd\u003eUp to 300 ft line of sight (Long Range up to ~1 mile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e1.5 in tall, 1.4 in wide, 0.7 in deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32-104 F (0-40 C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Zooz ZEN55 is a sensible, compact option for adding \u003cstrong\u003eZ-Wave monitoring\u003c\/strong\u003e and basic automation to hard-wired analog smoke and CO detectors when used with a compatible hub. It offers solid relay functionality and reliable pairing reported by customers, making it good value for users who need notifications and simple scene triggers but understand it is not a certified life-safety replacement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with battery-operated smoke alarms?\u003c\/strong\u003e\u003cbr\u003eNo. The ZEN55 is for hard-wired interconnected analog smoke and CO detectors only and will not work with battery-only units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a hub to use this device?\u003c\/strong\u003e\u003cbr\u003eYes. A compatible, updated Z-Wave hub is required; tested examples include Z-Box, Hubitat with a custom driver, Home Assistant via Z-Wave JS, and Ezlo.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a replacement for my smoke detector?\u003c\/strong\u003e\u003cbr\u003eNo. This is not part of a life-safety system and should only be used as a home automation add-on; check local regulations before installing.\u003c\/p\u003e","brand":"ZOOZ","offers":[{"title":"Default Title","offer_id":48248364663003,"sku":"B0C7HVF4SJ","price":42.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/418aWeQjh6L.jpg?v=1770919308","url":"https:\/\/gearmusthave.com\/products\/zooz-800-series-z-wave-long-range-dc-signal-sensor-zen55-alarm-input","provider":"GearMustHave","version":"1.0","type":"link"}