Welcome your dear guests warmly by using this V001A2 1-to-2 40m Wireless Remote Control Pressed Doorbell + Long Receiver Set (38 Tunes Optional). Adopting simple but fashionable design￡? our wireless doorbell set will add much brilliance to your house and it?ˉs quite humanized and easy to install. There are 38 kinds of melodies for you to choose. Energy-saving and eco-friendly￡? our doorbell has 3-mode volume for adjustment and comes with LED indicators. 40m working distance is also available to meet different needs of the family environment. Its effects must go beyond your imagination!                                    Features             38 kinds of melodies for your free selection and 3-mode volume for adjustment<br> You can install the doorbell in many locations￡? such as kitchen￡? back yard￡? bedroom￡? etc. so that you?ˉll never miss the guests<br> Wireless mounting design never affects your inner decoration and you can make the doorbell anywhere you like<br> 40m working distance￡? very easy to install and cost-saving<br> Unique design with LED indicators shows the special taste of the host<br> Energy-saving￡? low power consumption and environment protection￡? without harmful effects on the environment and do no harm to personal safety<br> Keep you aware of intruders or visitors anywhere around your home<br> Battery is not included in the pack   <br>                                                            Specifications             Model     V001A2 Receiver    <br> Operating Voltage     DC 3V    <br> Battery Type     2 x AA R6P    <br> Static Current     ?ü0.45mA    <br> Working Frequency     315MHz    <br> Remote Control / Receiver Distance     ?Y40m(in Open Air)     <br> Receiver Dimensions     (3.94 x 2.56 x 0.98)" / (10 x 6.5 x 2.5)cm (L x W x H)    <br> Color     White & Blue    <br> Material     Plastic Doorbell    <br> Melodies     38 Kinds for Selection    <br> Operating Voltage     12V    <br> Doorbell Dimensions     (2.95 x 1.57 x 0.67)" / (7.5 x 4 x 1.7)cm (L x W x H)    <br> Color     White & Blue    <br> Material     Plastic    <br> Working Current     ?ü15mA    <br> Volume Regulatory Function     Hi￡? Med￡? Lo(Optional)    <br> Battery Type     23A 12V    <br> Total Weight     8.43oz / 239g     <br>                                                             Package Includes            1 x Wireless Doorbell<br>2 x Doorbell Receiver <br>