Ding-dong door chime ST-99B
Ding-dong door chime ST-99B with 12 melodies recycle or only ding-dong sound.Operating power requestion: 2pcs ‘AA’ alkaline batteries for chime.
Ding-dong door chime ST-99D with 12 melodies recycle or only ding-dong sound.Operating power requestion: Directly to 220V-240V main power.
Ding-dong door chime ST-99T with 8 melodies choosing by button inside of chime.Transformer build-in electronic door chime.Operating power requestion: Directly to 220V-240V main power
| Brand name | Anssin |
|---|---|
| Model Number | ST-99B,ST-99D,ST-99T |
| Power Source | Battery |
| Loudness Level | 80dB |
| Frequency | 433MHz |
| Power of transmitter | 1pcs 12V/23A battery |