By requiring independent buttons to be depressed for 2 sec to initiate alarm, 1144-D Dual Button Panic Key Fob virtually eliminates false alarms. This portable, water-resistant product, powered by Sony™ CR2430 battery, clips onto keychain or lanyard, and LED display acknowledges when button is pressed to confirm message was received by system. Each fob comes programmed with standard button functions that can be reprogrammed to perform other functions.