Question 1

how is this charged??

Accepted Answer

Hello
      The alarm does not have a rechageable battery. It is powered with a PP9 type battery but a PP9 one will
not fit!! The connection will not mate up to the terminal posts!!
The only way to use the alarm is to find a PP9 connecting wire from an old piece of equipment then after removing
the original one solder this one in it's place. I could not find anyone who sold the original battery.
Hope this helps.
Maurice

Question 2

What does 'police preferred' mean exactly? Name a police force please so that I can be reassured.

Accepted Answer

May I suggest you ask the seller or manufacturer to identify the forces that they claim prefer the item. 
Or ring your local nick and ask to speak with their Crime Prevention officers.

Question 3

Can you offer more details about what battery can be used since I see an usual 9v battery is not compatible.I always use Duracell plus , compatible ??

Accepted Answer

Normal 9V battery in both mine. Cheap Chinese one supplied, Duracell should be fine.

Question 4

Does this alarm conform to BS8484?

Accepted Answer

Hello,

Thank you for your interest in our products.

We can confirm the following details:

Personal alarm with 143dB siren
White strobe light
Ripcord activation
Durable ABS housing
Can be attached to bags
Can be wall-mounted for door/window entry alarm
Wall mounting bracket included
1x 9V battery - included
Dimensions: 7x 5 x 3cm (2.8 x 2 x 1.2")

As well as being the UK’s loudest personal alarm, the Defender IIIT also features a built-in strobe torch which flashes brightly when the alarm is activated to attract attention.

A powerful 143 decibel siren instantly deters potential attackers. The ripcord attachment means it can also be used as a bag alarm, or wall-mounted on a door/window frame as an entry alarm using the bracket provided. This alarm is also protected by its durable ABS housing.

If we can be of further assistance, please do not hesitate to contact us again.

Kind regards,
Complete Care Shop CS Team

ASIN	B01BFDYTD4
Battery Description	Alkaline
Battery description	Alkaline
Best Sellers Rank	12,535 in DIY & Tools ( See Top 100 in DIY & Tools ) 19 in Sirens
Brand	Defender
Colour	Black
Control Method	Touch
Country of Origin	China
Customer Reviews	4.5 out of 5 stars 1,255 Reviews
Included Components	Batteries
Item Dimensions L x W x H	5.8L x 2.2W x 7H centimetres
Item Type Name	Personal Alarm
Item Weight	116 Grams
Manufacturer	Solon Security
Model Number	AL00016
Mounting Type	Wall Mount
Number of Batteries	1 9V batteries required.
Number of Items	1
Number of batteries	1 9V batteries required.
Part Number	AL00016
Power source	Battery Powered
Product dimensions	5.8L x 2.2W x 7H centimetres
Sensor Technology	Mechanical
Size	One Size
Sound Level	143 Decibels
Unit Count	1.0 count

Defender IIIT Ultra Loud Personal Attack Alarm - 143dB Siren High Intensity Strobe Light Panic Alarm - Personal Safety Device - Police Accredited

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