Super long receiving distance, environmentally friendly, energy saving <br>Easy to install without having to seek the help from professionals <br><br>Material: Plastic<br>Color: White<br>Receiver: 10 x 6.2 x 3 cm (LxWxH) <br>Transmitter: 7.3 x 4 x 2 cm (LxWxH) <br>Receiver button: music selection (36 songs), volume control (3 levels) <br>Transmitter button: doorbell <br><br>Parameters: <br>1. Working mode: wireless crystal remote control <br>2. Receiver operating voltage: DC 3V, 2 x AAA battery (not included) <br>3. Power: not more than 2W <br>4. Operating frequency: 433.92MHZ <br>5. Remote / receiver distance: not less than 80m (open area)<br>6. Transmitter operating voltage: 12V (battery model: 23A 12V)<br>7. Transmitter working current: not more than 15mA <br>8. LED indicator: Press the transmitter button and the LED indicator turns on, transmitter starts working, meanwhile the receiver gets commands and sounds out music to remind you that you have a guest. The blue LED of receiver flashes along with the music. <br>1 x Transmitter <br>1 x Receiver <br>1 x Adhesive <br>2 x Screws <br>In blister package<br /><img src="//agdetail.image-gmkt.com/m430/423/488/558488423/img/agdetail.image-gmkt.com/423/488/558488423/img/img6.eachbuyer.com/x9/p100/eb4063_4.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/423/488/558488423/img/agdetail.image-gmkt.com/423/488/558488423/img/img6.eachbuyer.com/x9/p100/eb4063_5.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/423/488/558488423/img/agdetail.image-gmkt.com/423/488/558488423/img/img6.eachbuyer.com/x9/p100/eb4063_6.jpg" />