Operated using 12V DC Xylophone sound door phone with 2 wires. Effective Distance: 150m, 0.8mm copper wire. Designed for either desk use or wall mounting. Electric door key release button.
Electric Door Bell Release Button Surface Mounted Flush – Mounted Switch
Replacement gate station unit ONLY. To be used with Commax indoor handset. High talk quality with household call function. Power is supplied from the indoor unit.