White Remote Control Wireless Doorbell with LED 38 Melodies

Size (Doorbell): 9.9 x 6.4 x 2.4cm (approx)
Size (Remote control): 7.2 x 4.0 x1.9cm (approx)
Color: Mainly White
Model: V001A
Wireless 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)
Work Electricity of the Emitter