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Re: X10 RF Wall Switches (now PIR)
- To: ukha_d@xxxxxxx
- Subject: Re: X10 RF Wall Switches (now PIR)
- From: "K. C. Li" <li@xxxxxxx>
- Date: Fri, 16 May 2003 12:06:54 +0100 (BST)
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
On Fri, 16 May 2003, Stephen wrote:
> The disadvantage that I see is that they are battery powered. How long
> do the batteries last?
The battery life depends on the frequency of triggering. Under normal
usage, it should last for over a year.
> Are they movement pirs or occupancy detectors?
The PIR is the standard "heat-seeking" sensor type where it
detects the
difference in temperature. This usually equates to a warm body moving
around but not always. Other heat source may also trigger it.
Regards,
Kwong Li
li@xxxxxxx
Laser Business Systems Ltd.
http://www.laser.com
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