Shenzhen Sumring Technology Co., Limited  

Product Name: OEM Wholesale Smoke Detector Fire Alarm Fire Detector +Co Alarm with Battery Operated Model NO.: SR-821THS Application: Indoor Certification: CE, ISO, RoHS Type: Smoke + Co Alarm Trademark: SUMRING/OEM Transport Package: Carton Specification: 104*39mm Origin: China HS Code: 8531901000 Product Description OEM Wholesale Smoke Detector Fire Alarm Fire detector +CO alarm with battery operatedThis product SR-821THS is an intelligent carbon monoxide smoke composite detector, which adopts micro-processing control andelectrochemical sensor, featuring high stability, low power consumption and small sensitivity drift. It is mainly used in placeswhere carbon monoxide gas leakage and fire may occur, ensuring personal life safetyModel NoSR-821THSOperating voltage3*1.5V AA battery (3 AA 1.5V) (battery is not included)Quiescent currentLess 80uAAlarm currentless 30mAAlarm outputsound and light tipsSensorElectrochemical Carbon Monoxide Sensor and Infrared Photoelectric SensorWorking temperature0-50 °CWorking humidityrelative humidity 10%-95%Carbon monoxide gas detection concentration000~999 PPMSmoke sensitivity0.1% db/m-9.9% db/mBattery displaylow battery alarmDimensions104*39mmPacking and shippingFAQQ1:Are you manufacture or trading company?A1:We are a professional manufacture specialize in fire alarm products.Q2:What is the moq?A2:As usual,there is ready stock for our regular & hot selling models.So any order quantity is welcome.Q3:Can I customize LOGO and customized functions?A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.Q4:How about the quality of your products?A4:Our raw materials are purchased from qualified suppliers.Q5:How long is the warranty time of the products?A5:The warranty period is 2 years from the factory,if there are individual quality problems,we will replenish the customer in the next batch of orders.more info:https://www.firealarmfactory.com/carbon-monoxide-detector-free/