ST-3240

Mechanical DC ding-dong door chime
White cover / white or black base
Ding-Dong sound 80dB
Product dimension: 11.6x11.6x4.8cm
Carton: 89.5x29.5x30cm/50pcs
Operating power requestion: 1pcs 9V.6LR61 size batteries for chime
or external transformer 8V-12V