| Model | IWACHI T515 / T515F Wireless Doorbell |
| Power Type | Self-powered (no battery needed) |
| Technology | Kinetic energy push button |
| Installation | No wiring required |
| Receiver Type | Plug-in (3-pin UK socket) |
| Voltage | 220–240V compatible |
| Wireless Range | Up to 100 meters (open space) |
| Chimes | 36 melodies + 4 chord sounds |
| Volume Control | 5 levels, high-decibel output |
| Visual Alert | LED flash indicator |
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