Battery-free button for expansion of the ONDO AC wireless doorbell system.
| General information: | |
|---|---|
| Wireless: | Yes |
| Height: | 82 mm |
| Type of current: | Bettery-free/ kinetic |
| Degree of protection (IP): | 44 |
| Built-in battery: | No |
| Maximum transmitter power: | <10 mW |
| Mounting method: | Surface mounted (plaster) |
| Shape: | Rectangular |
| Colour: | White |
| Material: | Plastic |
| Width: | 50 mm |
| Length: | 21.5 mm |