panic button waterproof gsm

Specifications panic button waterproof gsm :

wrist watch systle panic button

GSM wireless panic button

panic button waterproof gsm    wrist watch systle panic button   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.     This kind Wrist Emergency button (sos Panic Button) is a very useful device for asking for help while happening unexpected incidents. Just push it then it is send wireless signal to the alarm panel.