How to open the back cover of smoke detector ？

Regarding how to open the back cover of the smoke detector, here is a description of the independent smoke detector, Generally speaking, most independent smoke detector in China or the world are battery-powered.
Independent smoke detectors are generally installed in households, Internet cafes, small supermarkets and other small hundred places to detect smoke. Let me say a few words here. Like the standalone smoke detector developed by our factory, I think they are the best home smoke alarms. Okay, let's focus on how to open the back cover of the smoke detector

1.Step-by-Step Instructions for smoke detector
Remove the cover or body. Gently pry the cover open or unclip the body of the smoke detector from its base with a slight twisting motion. ...Replace the battery. Unclip the old battery from its holder. ...
Close the cover or replace the body. ...
Test the best home smoke alarms.

2. If you need to open the back cover to clean the smoke detector, you need to use a tool to pry up the several cards on the bottom of the product. Every product is treated in a similar way. Our best home smoke alarms is of course the same.

However , "there are all kinds of people in a big place". If the back cover of the smoke detector in your hand cannot be opened by the above methods, please try this way: grasp the upper part of the smoke detector with one hand, and buckle the bottom with the other hand. The real product is very tight, just try a few more times. At the same time, you are welcome to consult our smoke detector products, for more details, please click：best home smoke alarms