☑RF wireless technology, 434.65 MHz frequency

☑Vibration & Alert sound optional

☑Base dimension: W210 X L90 X T33 mm

☑Receiver dimension: 088 X 20.4 mm

☑Out-of-range alarm

☑Alarm method selectable: vibration-beep

☑Multiple chargers available

☑Waterproof device and Battery replaceable

☑Low battery level alarm