Automatic SCH Bell Timer

This product is designed with a high performance microcomputer chip. It can automatically switch on at a fixed time, with a maximum of 40 groups (80 times) per day. It has an automatic calibration function for timekeeping, and is easy to operate. It is widely used in Schools and Factories etc. Working voltage AC240V 50/60Hz Timing error 0.5s/day Load capacity Resistance 25A Temperature -10C~+50C Dimension: 126 x 88 x 51 mm Please note that a suitably qualified person is required to install this product Full instructions with Diagram and Functionality