This MJRHome Q-A16-2 36 Kinds Wireless Waterproof Doorbell + Handhold Adjustable Music Receiver Set (UK Standard) is excellent for being used at home￡? office￡? shop or any places need to welcome the guests or the customers. It provides an extra security and convenience for you and your family￡? and you can put this doorbell to any places of your room. The built-in anti-interference system avoids false ringing and miscommunication among different users. A perfect tool to offer you security.                                    Features            Easy to installThe special and pleasant doorbell has 36 kinds of melodies included for all people to chooseDelicate streamlined appearance shows the special tastes of the hostUp-date intelligent flash light design brings convenience to the hearing handicappedEnergy saving design of environment protectionCompletely wireless operation￡? no wires or cables requiredIt can be installed in many locations￡? such as kitchen￡? back yard￡? bedroom and so onWith hand-held adjustable music receiver                                                            Specifications            Brand    MaJiaLe    <br>Model    Q-A16-2    <br>Voltage    AC 220V￡? 50/60 Hz    <br>Melodies    36 Kinds for Selection    <br>Power    !#!lt!*!3W    <br>Applicable Scope    Family￡? Bank￡? Market    <br>Type    Wireless Doorbell    <br>Color    White    <br>Weight    5.93oz / 168g    <br>Material    Plastic    <br>Receiver Dimensions    (3.54 x 2.36 x 2.17)" / (9 x 6 x 5.5)cm (L x W x H)    <br>Doorbell Dimensions    (2.95 x 1.69 x 0.83)" / (7.5 x 4.3 x 2.1)cm (L x W x H)    <br>Receiver Volume    25-88dB    <br>Receiver Standby Current    !#!lt!*!1mA    <br>Working Frequency    315MHz?à2MHz    <br>Battery for Doorbell    1 x 12V 23A Alkaline Battery    <br>Remote Control / Receiver Distance    200m    <br>                                                            Package Includes            1 x Doorbell2 x Receivers1 x Screws Pack1 x Cotton Piece