1000ft Range :The Fuers Wirele Doorbell has a range of up to 1000ft, making it perfect for large homes or properties. 4 Volume Levels :With 4 different volume levels to choose from, you can customize the doorbell's sound to suit your needs. 1. 32 songs optional.( for doorbell button)2. Doorbell, alarm, welcome multi-purpose.3. Can learn up to 30 transmitters, no lo of power.4. Support 1527/2262 code chip.(button)5. Volume 4 adjustable.No mute mode6. Support multiple doorbell transmitter, suitable for large house. Technical parameter 1. Receiver Working voltage: AC 100-220V2. Working current: <100mA3. Wirele frequency: 433MHz4. Working temperature: -10 ° C -50 ° C5. Wirele distance: 150 meters (open space)6. Button's battery: 1pcs 23A 12V battery Package Include: 2 X Doorbell Receiver (EU/US)2 X Doorbell Button (23A 12V battery include) Note: 1. Dorbell Button (23A 12V battery include) 2.Wirele distance refers to being in an open environment 3.Please select the power specification that is suitable for your country This smart wirele doorbell adopts advanced wirele transceiver technology, high-quality voice proceing technology, up to 32 music, and its performance is stable and reliable. Doorbell, anti-theft, welcome multi-purpose. Suitable for home, villa, shop, hotel,and office etc.Eye-catching backlight flashes when someone pushes the doorbell.Particularly suitable for the elderly, pregnant women, and the deaf. Smart Wirele Doorbell When you pre the button,doorbell will receive the signal and you will hear the sweet tunes immediately. Touch button daily life waterproof Warm Prompt: In order to ensure that the doorbell button can be used normally for a long time, please place it under the eaves or buy a rain cover. 32 Songs Optional 32 ringtones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors. Easy to install,we have EU,US, Plug Just plug the receiver into power socket and Stick the button on the door. Strong signal ,150m long distance Transmiion Long operating range can be up to 500ft(150m) in open space,great for large house including villas, apartment, offices, shops, warehouses, etc. Infrared Detecter Welcome Mode: When the infrared detects a moving object will send a signal to the doorbell, the doorbell emits a welcome sound.This mode is usually used in store to welcome customers.Pir sensor power supply:USB cable charging or 2 AAA batterie By Sensor Alarm Instantly Mode: Install the door sensor on the door or window. When someone pushes open the door and window, the doorbell receives the signal and will alarm immediately. DIY Your Own Set How to use our doorbell? 1. Install the battery on doorbell buttonPlease install 1pcs 12V 23A battery on the doorbell button after receiving the doorbell, the battery are not included when we arrange shipment.2. Learning the button into doorbell receiverPre the doorbell receiver "music" and "volume" key together, then LED will light on and this time pre our doorbell button ,the LED will sound once and then pre the "volume"key to finish the learning (you can check video in our link). Doorbell Size: