Automatic 220V Power Failure Alarm White 120Db Led Power Cut Siren Indicator

I'm dissapointed. I had high hopes for this device because I wanted to buy 10 pieces. For the first time, it was a total bummer. There are no metal contacts on the closure of the device, so the batteries do not connect in series. The minus pole is connected with a red cable and should be black to distinguish it. It's good that on the plate you can see which is plus and which is minus. Despite connecting the batteries in series, the device does not work. You'd be ashamed. I want either a refund or a tested and working device!

ms

I'm dissapointed. I had high hopes for this device because I wanted to buy 10 pieces. For the first time, it was a total bummer. There are no metal contacts on the closure of the device, so the batteries do not connect in series. The minus pole is connected with a red cable and should be black to distinguish it. It's good that on the plate you can see which is plus and which is minus. Despite connecting the batteries in series, the device does not work. You'd be ashamed. I want either a refund or a tested and working device!

ms

Ok product but you can add some information about product assembly, thank you for the promptness and product

Article as in the brochure, everything is okay, I can only recommend it

The device is very good It sounds loud when the power goes out

It doesn't work at all

Product ok.

Everything OK

The batteries are unclear, AA are too small, AAA are too big, I had to modify it myself, there are no contacts for the batteries on the roof, the on/off switch on one is broken, and it beeps very loudly when working

The device works according to the description, the signal is loud, but everything is very squishy, the switch failed at the first use, it had to be resoldered

They work. I bought 3 pcs. You need to buy an adapter and a battery. The product itself is of good quality.

It works, very loud. If it's quiet, change the battery.

Works well. In a closed room it blocks your ears.😃

Works great, beeps when 220v is lost

received the product. working, sounds very loud

No contacts for battery

OK