100% Brand New. Receiver The Work Voltage of the Receiver DC 4.5V (3 x AAA Battery, not Included) Working Current 80mA Static Current 0.8mA(Ultra-low Power , Can Extend Battery Life) Power 2W Music 36 Cord Music for Option Sound 25-80dB (4 Grade Volumes) Remote Control / Incept Distance 100m(in Open Air) Emitter Work Frequency 315MHz Work Voltage of the Emitter 12V(Battery Model: 23A 12V, not Included) Work Electricity of the Emitter 15mA Temperature -10 ~50 Color White & Black Material ABS 36 pleasant chimes for you to choose from Beautiful black traditional pattern print, add a touch of charm to any kind of home decor Install quickly without the hassle of running any wires When the transmitter button is pressed, the ring will sound and the LED light on the receiver will start flashing 4-level adjustable volume Waterproof design, work great even on outdoor gates Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you! Package Content: 1 x Wireless Doorbell Receiver 1 x Doorbell Transmitter