DO NOT USE IN WET LOCATIONS. THIS TIMER HAS A BUILT-IN RECHARGEABLE BATTERY THAT IS USED TO RETAIN THE CURRENT TIME AND ON/OFF SETTINGS WHEN THE UNIT IS NOT PLUGGED IN AN OUTLET. IN CASE OF A FAILURE OF THE TIMER. PRESS THE RESET BUTTON TO RESTART THE TIMER. TO ACTIVATE YOUR TIMER 1. Display - Remove the plastic film from display. 2. Installation - Plug the timer into a grounded outlet and wait for at least 30 minutes to charge the built-in rechargeable battery. Once the battery has charged, unp