Wireless Doorbell with Button Sattino ST-230

WIRELESS BELL WITH BATTERY POWER. The bell and button are powered by batteries. Radio transmission (frequency 433.92 MHz). Operating range*: 150 m in open area, if necessary, a repeater (RT-228) can be used to increase the range. Eight different sounds to choose from, such as dog barking, electronic phone, ding-dong, and popular melodies.