Wireless Door Open Chime, door sensor chime,Door Window Security Alarm-Operating,Range - 650FT/52 Chime Tunes/LED Indicators,1 Magnetic Door Chime Sensor(Battery included)& 1 Plug in Receiver
<b>Specifications:</b> <br> Maximum 650 feet or 200 meters operating range in open area. <br>55 unique ringtones <br>30-100 dB Volume range <br>Operating Voltage: 3 V DC (1 X 12V23A Battery)<br>Working Frequency: 433.92 MHz ± 280KHz <br>Transmitter power consumption: <10mW <br>Operating Temperature: -22°F to 158°F or -30°C to 70°C <br>Installation gap:≤ 1 cm <br><br><b>Package included:</b> <br> 1x Receiver <br>2x Magnetic door sensor (Battery included) <br>2x Adhesive tapes <br>1x User Manual <br><br><b>Notice:</b> <br><b>This security alarm has no power switch, if you want it off, please unplug the receiver.</b> <br><br><b>How to install:</b> <br>Plug the receiver into an electrical outlet, the security sensor can be easily mounted to anywhere with adhesive tapes. <br><br><b>How to Change the ringtone</b> <br>Step 1. Press the chime section choose your favorite melody. <br>Step 2. Press and hold down the volume button, until you hear a "Ding" sound and the receiver indicator flashes. <br>Step 3. Separate the sensor quickly, it will makes a "Ding-Ding" sound and the receiver indicator flashes. <br>Step 4.Use the sensor again to confirm whether the current rington is the one you have set, if it is, the pairing is completed.<br><br><b>Low power alert</b> <br>Normally, the blue indicator will light up once when it is triggered; but in a low power, indictor will make 2 more quick flashes after the normal one.