With location-based service Function GSM Quad-band GPS Mobile phone tracker 1.7 inch B/W TFT Screen display Support 3 relative contacts and 6 fast-dial phones for engergy help. Support S0S Emergency calling. Smart keyboard locker makes it easy to lock/unlock Automatic voical time clock; best for old people to know time anytime Flash torch function for old people to go to toilet in the night. FM ...