This part has been replaced with the X10-XPMT1.
PHT02 Mini Timer can store and play two "ON" and two "OFF" times daily for up to four X10 addresses. Manual control is available for up to eight X10 addresses. Also offers option for All Lights On / All Lights Off and Brighten / Dim.
Optionally, you can set the built-in wake buzzer that can activate in conjunction with the setting for unit number one.An option called Security can be used to vary the ON/OFF times so as to not appear to be a preset timer and gives the lived-in look to your home.