Compact Door Alarm with 16ft X 12ft Detection Area, 70dB Volume - 9V Battery Operated Alarm for Smaller Stores

Compact Door Alarm with 16ft X 12ft Detection Area, 70dB Volume - 9V Battery Operated Alarm for Smaller Stores

<p>This is a great product for smaller shops, stores, and warehouses, who want an instant chime sound to play when someone walks through a door or other monitored area. When you want a simple alert that is easy to install and maintain, this is a great product to use. The SL-40 is a reliable, do-it-yourself entrance alert chime you can install in seconds.<p> <p>The sensor is passive-infrared based motion detector you place over a door or other area you wish to monitor, and when the combination of heat and movement are detected, it plays either a "DING" or "DING-DONG" tone (you choose). With this product, the sound emanates from the sensor and does not send the sound to a remote location. </p> <p>PLEASE NOTE: this entrance alert chime is a wireless, one (1) piece entrance alert unit that detects motion AND plays the sound from the sensor. This unit works by itself and is not a piece of a different kit and is not compatible with other devices.</p> <p>Features</p> <ul> <li>Volume control knob allows you to adjust volume</li> <li>Plays one of two tones you select, DING or DING-DING</li> <li>Sensitivity setting allows you to increase/decrease detection range</li> <li>Easy to mount - mounting hardware included</li> <li>Included mounting bracket allows you to adjust angle to tweak monitored zone</li> <li>Ideal for locations up to 1,500 SQFT</li> <li>Powered by 9-volt alkaline battery</li> <li>1-year manufacturer's warranty</li> </ul> <p>PLEASE NOTE: this entrance alert chime is a wireless, one (1) piece entrance alert unit that detects motion AND plays the sound from the sensor. This unit works by itself and is not a piece of a different kit and is not compatible with other devices.</p>