The BND-50 SE36 (often listed as SG3 or similar variants) is a 7-day digital electronic power outlet timer.
Supported function codes:
Operating Instructions
Initial Setup: Plug the timer into a live outlet for several hours to ensure the internal backup battery is charged. Use a small, non-conductive tool to press the Reset button, clearing any previous settings. Setting the Current Time: bnd-50 se36 instructions