{"product_id":"homeguard-dual-smoke-and-carbon-monoxide-alarm-with-co-alert","title":"HomeGuard Carbon Monoxide \u0026 Smoke Combo Alarm With Digital CO Display","description":"\u003cp\u003eOne compact unit on the wall, two hazards covered — the HomeGuard alarm watches for both smoke and carbon monoxide around the clock, running on batteries so it keeps working even if the power goes out. A 4-digit LCD display shows the exact CO level being sensed, a steady green light confirms it's operating normally, and an 85 dB alarm is loud enough to be heard through a closed door if something's wrong.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat makes it work\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo hazards, one alarm\u003c\/strong\u003e — smoke and carbon monoxide are both monitored continuously by a single compact unit, instead of needing separate detectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLive CO readout\u003c\/strong\u003e — the optional 4-digit LCD shows the actual carbon monoxide level in real time, not just a pass\/fail alert.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoud, clear alerts\u003c\/strong\u003e — an 85 dB alarm at 1 metre pairs with a pulsing red LED, so it's impossible to miss whether you're across the room or asleep down the hall.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow it responds\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDetection speed scales with the danger: roughly 60–90 minutes at 50 ppm CO, 10–40 minutes at 100 ppm, and as fast as 3 minutes at 300 ppm. In everyday operation the green LED simply flashes every 30 seconds to confirm it's working; during an alarm, the red LED pulses and the unit cycles four short beeps, five seconds of quiet, then four more beeps, repeating until the air clears or the alarm is reset. A dedicated test\/reset button lets you run a weekly check and clear the alarm afterward, and the unit chirps with an \"Lb\" reading on the display when batteries are running low, or an \"Err\" reading if it detects a malfunction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection\u003c\/td\u003e\n\u003ctd\u003eCombined smoke and carbon monoxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eOptional 4-digit LCD, shows live CO level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm\u003c\/td\u003e\n\u003ctd\u003e85 dB at 1 m, red LED during alarm, green LED in normal operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e3 x AA batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby current\u003c\/td\u003e\n\u003ctd\u003eLess than 50 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm current\u003c\/td\u003e\n\u003ctd\u003eLess than 50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.3 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10 x 4 cm (3.9\" x 1.6\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eWall-mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eTest\/reset button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003eLow-battery chirp with \"Lb\" display; malfunction chirp with \"Err\" display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to wire it into my home's electrical system?\u003c\/strong\u003e\u003cbr\u003eNo. It runs entirely on 3 AA batteries, so it mounts straight onto a wall with no wiring involved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if the batteries are low?\u003c\/strong\u003e\u003cbr\u003eThe unit chirps every 30 seconds and shows \"Lb\" on the display, giving you a clear early warning before it stops working.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow quickly does it respond to carbon monoxide?\u003c\/strong\u003e\u003cbr\u003eIt depends on concentration — around 60–90 minutes at lower levels (50 ppm), down to as fast as 3 minutes at high levels (300 ppm).\u003c\/p\u003e\u003cp\u003eEvery order ships free with no minimum, and you have 30 days to return it. Real human support is here at Support@fioriscas.com.\u003c\/p\u003e","brand":"[[fioriscas","offers":[{"title":"Default Title","offer_id":48030318166181,"sku":"48030318166181","price":38.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7608\/5157\/files\/Captura-de-pantalla-2019-09-20-a-las-16.17.41-404x400.png?v=1784643411","url":"https:\/\/fioriscas.com\/products\/homeguard-dual-smoke-and-carbon-monoxide-alarm-with-co-alert","provider":"Fioriscas","version":"1.0","type":"link"}