wireless Emergency panic button for the senior people

Specifications Wrist Emergency button

wrist watch systle panic button

GSM wireless panic button

low cost panic button

remote panic butt

 wireless Emergency panic button for the senior people DP-11A     wrist watch systle panic button JA-02   Feature:   Can compatible with all our alarm host   Can be worn on the wrist like a watch   Permanently sealed-in lithium battery   Battery operated with life expectancy of >1 year in a typical domestic environment   Ultra low power consumption.   Choice of lanyard, black elastic wristband, or velcro wristband   Low battery detection       Technical parameter:   Power: lithium C1620   Battery life: >1 year   Radio frequency available: 315/433MHz   Range: 80 meters in open space   Operating temperature: -20 ~ + 50c   Humidity: up to 95% non-condensing   Dimensions: 43 x 31 x 12mm.