Spec Sheet Preview: The Alpha Communications® WPT504 Wristband Pendant features the great range and reliability of 900 MHz in a small, water-resistant package. Users can wear the pendant in the shower or bathtub, outside in the rain, or other environments where the pendant may be splashed with water, or momentarily submerged. The pendants have a single-button design with "press and one second hold" activation, making the pendant very easy to use, yet still reduces false alarms. When the WPT504 is activated, it vibrates briefly and its red LED blinks rapidly for five seconds, then blinks slowly until the alarm …