Safety Technology International， Inc. STI-34108 8-Channel Receiver - Part of the Wireless Alert Series<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Monitors up to 8 different STI devices at one convenient location </span></li><li><span class="a-list-item"> Supervised for low battery and connection </span></li><li><span class="a-list-item"> Operates up to a 1，000 foot line of sight range from sensors </span></li><li><span class="a-list-item"> Turns on a siren， sounds a chime， triggers a normally open or normally closed switch， or turns on an external 12 VDC output </span></li><li><span class="a-list-item"> 433MHz with dual antennas for increased signal strength </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31JkIVXpKaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31EmMKnr%2B7L.jpg" noproxy>