ST-715

Item No. ST-715

- Portable wireless DC door chime
- Wireless working range up to 100 meters in open area
- 36 melodies to choose on door chime
- Select the interesting melodies on chime freely
- Sound volume can be adjusted in 4 level from quiet to 85dB
- Working method of chime: melody+lighting
- Frequency in 433MHz
- Power of chime: 3pcs AA size battery
- Power of transmitter: 1pcs 12V/23A battery