Model P1BSW is the ideal way to save your battery from draining down if you accidentally forget to shut your model P1 off.
Press the momentary push button and your model P1BS becomes active for 10 minutes.
Touch the left paddle anytime during the 10 minutes and the timer resets for another 10 minutes.
During the last minute the LED, located on the front panel, flashes 3 times every 10 seconds to remind you that your unit is to about to shut down.
If your 9V battery drops below 7.0 volts, every minute the LED will flash 5 times to remind you to replace your battery. But ! No need to rush replacing your battery.
Your unit will still run for a few more hours until the battery drops below 5.5V.
Price: (P1SBW + External Speaker + Wall-Wart) $ 163USD