Wireless 3-LED Red + Yellow Flash Light Door Bell Transmitter + Receiver Set - White + Blue
Material PC Brand N/A Model 512E Color White + blue Quantity 1 Other Working frequency: 340MHz +/- 7.5MHz; Working voltage: 3V; Working current: DC: Packing List 1 x Receiver (2 x AAA batteries not included) 1 x Transmitter (1 x 12V / 23A battery included)