Safety & Security
ST-18M
Description
ST-18M is a wireless AC door chime with European plug, wireless range up to 100 meters in open area, 12 melodies selectable, transmitter can freely choose interesting melodies, three working modes: melody only, light only or melody+light, volume 80dB, frequency 433MHz, powered by 220V mains, transmitter uses 12V/23A battery.
Specifications
| Melodies | 12 |
| Frequency | 433MHz |
| Loudness level | 80dB |
| Power of chime | 220V main power |
| Working method | Only melody / Only lighting / Melody+lighting |
| Power of transmitter | 1pcs 12V/23A battery |
| Wireless working range | 100 meters in open area |
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