INTELIGENT ALARMA SENSOR & WIRELESS DOORBELL WITH BATTERIES WHITE BELLA-6 5800080 VITO

BELLA-6 DOORBELL - Intelligent alarm sensor wireless doorbell. - Volume: 70-80db (3 steps, low.middle,high). - Sound: 36 melodies. - Transmitter Voltage: 4.5V DC 3xAAA (are not included). - Receiver Voltage: 3V DC 2xAAA (are not included). - Sensor transmitter: 2 options, 1. stand alone alarm sound, 2. use with the receiver. - Working frequency: RF 315MHz / 433.92MHz. - Detection angle: 100o adjustable. - Detection distance: 3-7m. - Receiver/Transmitter Range: 130-150m (in open spaces). - White Color.