KK MART Automatic Bell Management System/Multipurpose Timer for School, Collage Indoor Plug-In Electronic Timer Switch  (Silver)

This Automatic school and college timer for automatic bell purpose..we can schedule MONDAY,TUESDAY, WEDNESDAY,ETC.Bill duration prgramble in seconds.Built in real TIME CLOCK, if SWITCH of unit for 30days time never change.Built in real TIME CLOCK, once we program it will there until we change. FEATURES 30 bells per day will be programmed. 3 Modes of Operation(Summer, Winter and examination mode) #Time #Accuracy is maintained in micro seconds. 10 Bells can be connected to one device. Weekly off feature is also available that make it amazing. Can be programmed as needed. A user can program various timings of the periods, recess, etc. It has a crystal-clear display, which helps the user to read & set various parameters easily. Stand-alone machine: no computers required to program or maintain ringing schedule.