WIRELESS DOORCHIME AC P5733W

Product - wireless doorbell
Distribution in open environment - 150 m
Number of melodies - 36
Tying method - manual
Signal - optical, sound
Maximum ringtone intensity - 110 dB
Possibility to add buttons - Yes (up to 8 pcs.)
Waterproof button - yes
Power button - 1 × 3 V CR2032 (included)
Volume control - yes, 4 levels
Transmission frequency - 433 MHz
Color - white
Clock power supply - 230 V