Smoke Alarm Module Smoke Alarm Smoke Detector Module

1. Power supply: 3.7V2. Static current: Less than 10uA3. Maze: diameter 36x16MM4. Sensor: infrared transmitting tube + receiving tube (one pair)5. Alarm output: sound + high level (monitoring status is low level, outputs high level after alarm, and returns to low level after reset)6. Volume: greater than 85dB/1M7. Sensitivity alarm range: 0.1-0.3 (M value)8. Noise reduction function: yes (low level is effective)9. Communication method: high and low level (1. After the smoke alarm, it will send a continuous high level to the main board; 2. When the product is in the alarm state, the main board will send a low level for 5 seconds to the smoke, and then the smoke will enter Silent state, this state lasts until the smoke detector is reset)10. Height limit for the top floor: 18mm; height limit for the lower floor: 8mm11. Buzzer line length: 50mmbasic skillsAfter the product is powered on for 10 seconds, it enters the monitoring state; 1. When smoke is detected, the smoke detector sends a continuous high-level signal to the main board after the smoke detector alarms. This level lasts until the smoke dissipates, and the smoke detector returns to a low level after reset;2. When the product is in the alarm state, the main board will give a low level for 5 seconds to the smoke sensor, and then the smoke sensor will enter the silence state, and this state will last until the smoke dissipates, and the smoke sensor will reset.Different batches may result in different product appearances, printed text, and colors, which do not affect usage.Colour:greenMaterial:PCBPackage Contents:1 x ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don';t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! !

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