With its patented hinge, Nemesis, a low current-draw siren from ATW Security, allows the installer to lock the cover in position or remove it completely. Suitable for indoor use only, it is rated at 105 dB (+/-3) with a single warble tone, (100 mA) and operates at 6-14 VDC. It is constructed of durable ABS plastic and is CE-approved. ATW Security

For Free Information circle 394 or visit www.sdmmag.com/webcard or www.atwbrand.com