Features:Weight:119gSize (Doorbell ):9.9 x 6.1 x 2.9cm (approx)Size (Remote control):7.2 x 4.0 x1.9cm (approx)Model:V004AWireless system.Super long receiving distance.Environment friendly energy saving system.Work Frequency :315MHz

* Remote Control /Incept Distance≥40m(in open air)* Work Voltage of

Features:Weight:119gSize (Doorbell ):9.9 x 6.1 x 2.9cm (approx)Size (Remote control):7.2 x 4.0 x1.9cm (approx)Model:V004AWireless system.Super long receiving distance.Environment friendly energy saving system.Work Frequency :315MHz

* Remote Control /Incept Distance≥40m(in open air)* Work Voltage of the Emitter:12V(Battery Model:23A12V,But battery not included)* Work Electricity of the Emitter≤15mA(20 times a day by calculating, a high quality battery can use for a year)* LED Indicator: press the send button, LED indicator light will flash, Emitter work and the receiver receive the order and then send out the beautiful music reminded you the VIP visit, the blue-ray LED of the receiver will regular flash along with the music* Music source:38songs supply for choice, Use the External button "up/down" to finish. (the music include Asia ,Europe, Americas famous songs, also has 10 songs of Arab Music, Concert which the Middle East customers\' like).* The function of volume regulate: high, middle, low three volume can choice, Use the External switch (or button) to finish.* DIY design make you not need to seek the help from professionals, and you don\'t need to set the line or to excavate a hole .It is easy for installation, you can install it everywhere you like according to your apartment.* Unique product design idea is continually melted in by the modem element, which makes the product more energetic.* 80m 4D remote control distance is easy for your installation and you can enjoy the music from VOYE in your space and share the happiness of knowing the arrival of your friends.* Door bell powered by 2 PCS AA 1.5V batteries (not included)

Package Content:1 x Doorbell1 x Remote controller