<b>Features:</b><br>Push button remote rating of Waterproof: IP55<br>Battery included: A23 12V Alkaline battery<br>Operating Range: Up to 1000ft in THE open air<br>Volume Ajustable Range:25~110 dB,4 levels<br><br><b>Something you should know before installation</b><br>1.Test the operating range you desire before installation.choose outlet to plug in receiver and take transmitter outside door;<br>2.trigger it to test if it can work well within the range you choose.<br><br><b>Pairing and Change Ring Tone</b><br>Push button is freely match with receiver and vice versa.<br>a) Select desired ring tone by pressing Music Control Button;<br>b) Set Receiver into pairing mode by pressing the Volume Control Button on the receiver for about 5-7 seconds until LED flashes to get entered into "pairing" state;<br>c) Next, quickly initiate or set the pairing process by pressing the transmitter button to pair with receiver.<br>You will hear the tune you selected, which means that your operation is completed successfully.<br><br> <b>Package Included</b><br>1 * Receiver<br>2 * IP55 Waterproof Transmitters<br>2 * A23 12V Alkaline Battery for Push Button(Included)<br>4 * Screws; 4 * anchors<br>2 * Double-Sided Adhesive Tape.<br>1 * User Manual