ST-69

Item No. ST-69S

- Classic wireless DC door chime
- Wireless working range up to 80 meters in open area
- 2 melodies (Dingdong & Westminster) to choose on transmitter
- Loudness level 80dB
- Frequency in 433MHz
- Power of chime: 3pcs C size battery
- Power of transmitter: 1pcs 12V/23A battery