Description: The setting range of the alarm clock is 1-99 seconds, and the ringer can be controlled by setting the time, and the running time of each group of alarm clocks is the same. The electrical life of no less than 10,000 cycles and the large 1.6-inch screen are its main advantages. This product is made of plastic. The length of the product is 8.2 cm, the width is 6.8 cm and the thickness is 3.5 cm. This product is suitable for street lights, factories, advertising sign lights, production equipment, radio and television equipment, stage and other power equipment that need to be turned on and off regularly. Item Name: Timer Material: Plastic Electrical Life: Use No Less Than 10,000 Times Heating Current: 16A Timing Times: 40 Timing Range: 1s-99s Battery Type: Built-in,Chargeable Input Power: 220V AC 50 / 60Hz Installation Method: Equipment Installation, 35mm DIN Rail Travel Time Error: