MOSUO Combination Smoke And Carbon Monoxide Detector Smoke Detector 10 Year Battery Operated 3V Not Hardwired Complies with UL 217 UL 2034 Standards Fire Smoke Alarm for RV Home Garage Camper

Product Highlight: 10 year battery life. Low battery hush Loud 85 decibel alarm Low battery signal Accurate, Reliable, & Highly Sensitive Fireproof ABS material. Easy to install and test. Single test/silence button Meet UL217 (the new 2020)& UL2034 standards. Equipped with both a photoelectric and ionization sensor Complies with all current 10 year legislation in U. S. states and cities where required. Function Description Normal: 1 green led flashes, 1 minute pause Smoke Alarm: 3 beeps with 3 red led flashes, 1.5 seconds pause. CO alarm: 4 beeps with 4 led flashes, 5 seconds pause. Low battery: 1 chirp with 1 yellow led flashes, 60 seconds pause, Please replace alarm. Trouble: 2 beeps with 2 red flashes, 60 seconds pause. Please replace alarm. End of life: 1 red flashes, 10 seconds pause, Deactivate and replace alarm. Technical Specs: Smoke Sensor Type: Photoelectric CO Sensor Type: Electrochemical Working temperature?-10?~+50? Alarm sound: ?85dB (3 meters) Relative humidity: ?95%R.H. Smoke sensitivity: 1-3%ft Alarm mode: Siren with flash (Buzzer & Red LED) CO Alarm concentration: 70ppm: 60~240 min 150ppm: 10~50 min 400ppm: 4~15 min Package Contents: 1 × Alarm Unit 1 × Mounting Bracket 2 × Screws 2 × Anchor Plugs 1 × User Manual 2 × Carbon Monoxide Safety Stickers Note: Clean alarm monthly. Test weekly. Avoid extremely dusty, dirty or greasy areas. Instructions labels on the device, you don't worry about losing user manual or instructions.