lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller

lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller
lot Smoke Sensor Gas Detector Alarm Module 1-10PCS MQ-2 Switch Controller


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Widely used 2. High cost performance 3. It has anti reverse connection protection, and the reverse connection of power supply will not burn the board. 4. Service life: more than 100000 times 5. Easy to use, with wiring diagram Function description: – This module can detect the smoke concentration and set a smoke detection threshold when in use. – When the smoke sensor detects that the ambient smoke concentration is greater than the set smoke threshold, the relay is closed, the alarm indicator is on, and the buzzer rings the alarm prompt. – When the smoke sensor detects that the ambient smoke concentration drops below the set smoke threshold, the relay is disconnected, the alarm indicator is off, and the buzzer stops alarm. Parameter introduction: 1. Working voltage: DC 5-30V. 2. Output capacity: it can control equipment within AC 220V 10A or DC 30A 10A. 3. Static current 20mA, dynamic current 50mA 4. It has anti reverse connection protection, and the reverse connection of power supply will not burn the board. 5. Service life: more than 100000 times, working temperature: – 40 ℃~85 ℃ 6. Board size 49 * 45 + 20mm 7. Positioning holes: the spacing is 44mm long and 40mm wide, the distance between the hole diameter and the outer frame is 2.5mm, and the hole diameter is 3mm. Package list: 1/2/5/10PCS Smoke sensor We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support. Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included). Working time:Monday-Friday 9:00 AM-5:30PM(Beijing) A complete and correct shipping address is essential. Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information. For any further information about shipping,please contact our customer service team. We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team. We offer at least 1 year guarantee on all of our products. 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