- 1.The button supports multiple receivers;
- 2. If multiple buttons are paired with one or more receivers in the same system, each button can be set with a different ringtone.
- 3.Power-off memory function: Turn the power on again after power off, no need to re-adjust and lock the ringtone.
- 4.The transmitter has no screw design, and it is waterproof and dustproof.
- 5.Receiving distance:300 meters in open area.