" 1 with magnetic-controlling and shock-controlling functions;
2 the button is for setting or cancelling the alarm .
3 if the magnet leaves the host up to 10mm or above , the alarm will sound, and will last for 25 seconds(nothing can stop it ) though the distance you adjust is less than 10mm.
4 the IC can indicate the lack of power through the LED light .
5 and the battery is available for 3 years if sounding once one week.
6 very slim , pasted on doors or windows in office , home or warehouse