<p>1. Self-Powered Technology: No need for batteries or charging cables - the doorbell generates power every time the button is pressed, ensuring continuous operation without the hassle of replacements.</p> <p>2 .Long-Distance Reception: Reliable signal transmission over long distances, ensuring you never miss a visitor even if you're in a different room or floor.</p> <p>3. Easy Installation: Quick and simple setup - no wiring required, just mount the button and receiver where you want them.</p> <p>4. Adjustable Volume: Choose the right volume level to suit your needs, ensuring you hear the chime clearly without it being too loud.</p> <p>5. Multiple Chime Options: Select from a variety of chime tones to personalize your doorbell experience.</p> <p>6. Power outage memory function.</p> <p>7. Compact Size: Compact and lightweight, making it ideal for small spaces or discreet placements.</p> <p>8. Long Lifespan: Built to last, with minimal maintenance requirements, ensuring years of reliable service.</p> <p>Specifications:</p> <p>Input Voltage: 110-240V AC</p> <p>Operating Distance: Up to 150 meters (outdoor)</p> <p>Volume Levels: Adjustable (8 levels)</p> <p>Chime Options: 36 selectable ringtones</p> <p>Wireless Frequency: 433.92MHz</p> <p>Maximum Transmitter Pairing: 10</p> <p>Transmitter Size: \u03A655x20mm</p> <p>Receiver Size: \u03A660x23mm</p> <p>Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.</p> <p>voltage: AC220V</p> <p>Colour:White</p> <p>Material:ABS</p> <p>Package Contents:</p> <p>1 * Doorbell</p> <p>1 * Receiver</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>