... 10-second message recording 3. Voice prompt for remote operation Wireless Burglar GSM Home Alarm System ... Make alarm when power off; 17. SMS alert for external power failure or recovery. Parameters: Input ... HI AAA*6 DC7.2V Siren Volume: 110dB Kits: 1 main panel, 1 wireless PIR detector, ... siren, 2 remote controllers, 1 power supply, 1 manual For occations: Villa, house, hospital, shop, car, school, ...