[Customizable Timer Switch] - This light switch timer repeats programs with 16 ON/OFF settings. Setting accuracy down to the minute. [Customizable Timer Switch] - This light switch timer repeats programs with 16 ON/OFF settings. Setting accuracy down to the minute. [LCD Display and Easy to Install] - This mini timer switch features real-time LCD displays for "Hour/Minute" and "On/Auto/Off"; DIN rail installation, DIN rail is not included. [Indoor and Outdoor Electric Timer Switch] - This time relay with high precision and strong anti-interference ability, the timer is ideal for controlling street lights, neon lamps, manufacturing equipment, radio and television and many other household appliances. [Rechargeable Batteries and Industrial Chips] - This digital timer has a rechargeable and industrial-grade chip built into the battery, which can protect your programs during power outages.