80 dB white domestic wired mechanical doorbell with a green base. It is activated by 230 V AC electrical current. Two-tone mechanical sound similar to the classic Ding-Dong timbre. Ideal for use in homes, garages, shops, etc. specs Compact 80dB Electromechanically Operated Home Wired Doorbell with Classic Ding-Dong Sound The doorbell is activated by 230 V AC electrical current. Two-tone mechanical sound similar to the classic Ding-Dong timbre. Easy installation. For use in homes, garages, shops, etc. Perfect to go unnoticed thanks to the white casing and military green base. The doorbell measures only 13.5cm x 8cm x 5cm (width x height x depth). The product includes material to fix the doorbell. Includes 2 plugs and 2 screws.