Power supply voltage :110-220（V）
The number of ringtones:38
Package List: Emitter (remote control) *1 Receiver (sound generator) *2 Instructions Manual*1
1.Wireless telecontrol distance: 300 meters in a straight line in land (using superheterodyne Technology)
2.Digital circuit design, many sets are not ringing, no mistake
3.Two modes of play: the default settings: choose music playback modes: Selections touch keys to select the love song. Circular inserting mode: press the button from three seconds and hear "beep" twice into the cycle, then each time the transmitter, the songs will transform a doorbell
4.Volume: 3 mode
5.Learning code: free collocation, such as two drag, two drag one or two drag two, and so on;
6.Emitter: use 1 section 12V 23A battery (not included)
7.Receiver: direct plug - in (using intelligent management voltage lines, plug - in non - heating, receiver supporting AC 100-240V voltage)
1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2.Please allow 1-3cm measuring deviation due to manual measurement.